245345408

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 642485760

約数和(自身を除く): 397140352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 73, 77, 88, 112, 121, 124, 128, 146, 154, 176, 217, 224, 242, 248, 292, 308, 341, 352, 434, 448, 484, 496, 511, 584, 616, 682, 704, 803, 847, 868, 896, 968, 992, 1022, 1168, 1232, 1364, 1408, 1606, 1694, 1736, 1936, 1984, 2044, 2263, 2336, 2387, 2464, 2728, 3212, 3388, 3472, 3751, 3872, 3968, 4088, 4526, 4672, 4774, 4928, 5456, 5621, 6424, 6776, 6944, 7502, 7744, 8176, 8833, 9052, 9344, 9548, 9856, 10912, 11242, 12848, 13552, 13888, 15004, 15488, 15841, 16352, 17666, 18104, 19096, 21824, 22484, 24893, 25696, 26257, 27104, 27776, 30008, 31682, 32704, 35332, 36208, 38192, 43648, 44968, 49786, 51392, 52514, 54208, 60016, 61831, 63364, 65408, 70664, 72416, 76384, 89936, 99572, 102784, 105028, 108416, 120032, 123662, 126728, 141328, 144832, 152768, 174251, 179872, 199144, 210056, 240064, 247324, 253456, 273823, 282656, 289664, 305536, 348502, 359744, 398288, 420112, 480128, 494648, 506912, 547646, 565312, 697004, 719488, 796576, 840224, 989296, 1013824, 1095292, 1130624, 1394008, 1593152, 1680448, 1916761, 1978592, 2027648, 2190584, 2788016, 3186304, 3360896, 3833522, 3957184, 4381168, 5576032, 7667044, 7914368, 8762336, 11152064, 15334088, 17524672, 22304128, 30668176, 35049344, 61336352, 122672704, 245345408]

約数ペア:

[(1, 245345408), (2, 122672704), (4, 61336352), (7, 35049344), (8, 30668176), (11, 22304128), (14, 17524672), (16, 15334088), (22, 11152064), (28, 8762336), (31, 7914368), (32, 7667044), (44, 5576032), (56, 4381168), (62, 3957184), (64, 3833522), (73, 3360896), (77, 3186304), (88, 2788016), (112, 2190584), (121, 2027648), (124, 1978592), (128, 1916761), (146, 1680448), (154, 1593152), (176, 1394008), (217, 1130624), (224, 1095292), (242, 1013824), (248, 989296), (292, 840224), (308, 796576), (341, 719488), (352, 697004), (434, 565312), (448, 547646), (484, 506912), (496, 494648), (511, 480128), (584, 420112), (616, 398288), (682, 359744), (704, 348502), (803, 305536), (847, 289664), (868, 282656), (896, 273823), (968, 253456), (992, 247324), (1022, 240064), (1168, 210056), (1232, 199144), (1364, 179872), (1408, 174251), (1606, 152768), (1694, 144832), (1736, 141328), (1936, 126728), (1984, 123662), (2044, 120032), (2263, 108416), (2336, 105028), (2387, 102784), (2464, 99572), (2728, 89936), (3212, 76384), (3388, 72416), (3472, 70664), (3751, 65408), (3872, 63364), (3968, 61831), (4088, 60016), (4526, 54208), (4672, 52514), (4774, 51392), (4928, 49786), (5456, 44968), (5621, 43648), (6424, 38192), (6776, 36208), (6944, 35332), (7502, 32704), (7744, 31682), (8176, 30008), (8833, 27776), (9052, 27104), (9344, 26257), (9548, 25696), (9856, 24893), (10912, 22484), (11242, 21824), (12848, 19096), (13552, 18104), (13888, 17666), (15004, 16352), (15488, 15841)]