401238656

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 256

約数和(自身を含む): 1085280000

約数和(自身を除く): 684041344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 37, 38, 49, 52, 56, 64, 74, 76, 91, 98, 104, 112, 128, 133, 148, 152, 182, 196, 208, 224, 247, 259, 266, 296, 304, 343, 364, 392, 416, 448, 481, 494, 518, 532, 592, 608, 637, 686, 703, 728, 784, 832, 896, 931, 962, 988, 1036, 1064, 1184, 1216, 1274, 1372, 1406, 1456, 1568, 1664, 1729, 1813, 1862, 1924, 1976, 2072, 2128, 2368, 2432, 2548, 2744, 2812, 2912, 3136, 3367, 3458, 3626, 3724, 3848, 3952, 4144, 4256, 4459, 4736, 4921, 5096, 5488, 5624, 5824, 6272, 6517, 6734, 6916, 7252, 7448, 7696, 7904, 8288, 8512, 8918, 9139, 9842, 10192, 10976, 11248, 11648, 12103, 12691, 13034, 13468, 13832, 14504, 14896, 15392, 15808, 16576, 17024, 17836, 18278, 19684, 20384, 21952, 22496, 23569, 24206, 25382, 26068, 26936, 27664, 29008, 29792, 30784, 31616, 33152, 34447, 35672, 36556, 39368, 40768, 43904, 44992, 47138, 48412, 50764, 52136, 53872, 55328, 58016, 59584, 61568, 63973, 68894, 71344, 73112, 78736, 81536, 84721, 89984, 94276, 96824, 101528, 104272, 107744, 110656, 116032, 119168, 127946, 137788, 142688, 146224, 157472, 164983, 169442, 188552, 193648, 203056, 208544, 215488, 221312, 232064, 241129, 255892, 275576, 285376, 292448, 314944, 329966, 338884, 377104, 387296, 406112, 417088, 430976, 447811, 482258, 511784, 551152, 570752, 584896, 629888, 659932, 677768, 754208, 774592, 812224, 834176, 895622, 964516, 1023568, 1102304, 1169792, 1319864, 1355536, 1508416, 1549184, 1624448, 1791244, 1929032, 2047136, 2204608, 2639728, 2711072, 3016832, 3134677, 3582488, 3858064, 4094272, 4409216, 5279456, 5422144, 6269354, 7164976, 7716128, 8188544, 10558912, 10844288, 12538708, 14329952, 15432256, 21117824, 25077416, 28659904, 30864512, 50154832, 57319808, 100309664, 200619328, 401238656]

約数ペア:

[(1, 401238656), (2, 200619328), (4, 100309664), (7, 57319808), (8, 50154832), (13, 30864512), (14, 28659904), (16, 25077416), (19, 21117824), (26, 15432256), (28, 14329952), (32, 12538708), (37, 10844288), (38, 10558912), (49, 8188544), (52, 7716128), (56, 7164976), (64, 6269354), (74, 5422144), (76, 5279456), (91, 4409216), (98, 4094272), (104, 3858064), (112, 3582488), (128, 3134677), (133, 3016832), (148, 2711072), (152, 2639728), (182, 2204608), (196, 2047136), (208, 1929032), (224, 1791244), (247, 1624448), (259, 1549184), (266, 1508416), (296, 1355536), (304, 1319864), (343, 1169792), (364, 1102304), (392, 1023568), (416, 964516), (448, 895622), (481, 834176), (494, 812224), (518, 774592), (532, 754208), (592, 677768), (608, 659932), (637, 629888), (686, 584896), (703, 570752), (728, 551152), (784, 511784), (832, 482258), (896, 447811), (931, 430976), (962, 417088), (988, 406112), (1036, 387296), (1064, 377104), (1184, 338884), (1216, 329966), (1274, 314944), (1372, 292448), (1406, 285376), (1456, 275576), (1568, 255892), (1664, 241129), (1729, 232064), (1813, 221312), (1862, 215488), (1924, 208544), (1976, 203056), (2072, 193648), (2128, 188552), (2368, 169442), (2432, 164983), (2548, 157472), (2744, 146224), (2812, 142688), (2912, 137788), (3136, 127946), (3367, 119168), (3458, 116032), (3626, 110656), (3724, 107744), (3848, 104272), (3952, 101528), (4144, 96824), (4256, 94276), (4459, 89984), (4736, 84721), (4921, 81536), (5096, 78736), (5488, 73112), (5624, 71344), (5824, 68894), (6272, 63973), (6517, 61568), (6734, 59584), (6916, 58016), (7252, 55328), (7448, 53872), (7696, 52136), (7904, 50764), (8288, 48412), (8512, 47138), (8918, 44992), (9139, 43904), (9842, 40768), (10192, 39368), (10976, 36556), (11248, 35672), (11648, 34447), (12103, 33152), (12691, 31616), (13034, 30784), (13468, 29792), (13832, 29008), (14504, 27664), (14896, 26936), (15392, 26068), (15808, 25382), (16576, 24206), (17024, 23569), (17836, 22496), (18278, 21952), (19684, 20384)]