490690816

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 1287491072

約数和(自身を除く): 796800256

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, 256, 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, 1792, 1936, 1984, 2044, 2263, 2336, 2387, 2464, 2728, 2816, 3212, 3388, 3472, 3751, 3872, 3968, 4088, 4526, 4672, 4774, 4928, 5456, 5621, 6424, 6776, 6944, 7502, 7744, 7936, 8176, 8833, 9052, 9344, 9548, 9856, 10912, 11242, 12848, 13552, 13888, 15004, 15488, 15841, 16352, 17666, 18104, 18688, 19096, 19712, 21824, 22484, 24893, 25696, 26257, 27104, 27776, 30008, 30976, 31682, 32704, 35332, 36208, 38192, 43648, 44968, 49786, 51392, 52514, 54208, 55552, 60016, 61831, 63364, 65408, 70664, 72416, 76384, 87296, 89936, 99572, 102784, 105028, 108416, 120032, 123662, 126728, 130816, 141328, 144832, 152768, 174251, 179872, 199144, 205568, 210056, 216832, 240064, 247324, 253456, 273823, 282656, 289664, 305536, 348502, 359744, 398288, 420112, 480128, 494648, 506912, 547646, 565312, 579328, 611072, 697004, 719488, 796576, 840224, 960256, 989296, 1013824, 1095292, 1130624, 1394008, 1438976, 1593152, 1680448, 1916761, 1978592, 2027648, 2190584, 2261248, 2788016, 3186304, 3360896, 3833522, 3957184, 4055296, 4381168, 5576032, 6372608, 6721792, 7667044, 7914368, 8762336, 11152064, 15334088, 15828736, 17524672, 22304128, 30668176, 35049344, 44608256, 61336352, 70098688, 122672704, 245345408, 490690816]

約数ペア:

[(1, 490690816), (2, 245345408), (4, 122672704), (7, 70098688), (8, 61336352), (11, 44608256), (14, 35049344), (16, 30668176), (22, 22304128), (28, 17524672), (31, 15828736), (32, 15334088), (44, 11152064), (56, 8762336), (62, 7914368), (64, 7667044), (73, 6721792), (77, 6372608), (88, 5576032), (112, 4381168), (121, 4055296), (124, 3957184), (128, 3833522), (146, 3360896), (154, 3186304), (176, 2788016), (217, 2261248), (224, 2190584), (242, 2027648), (248, 1978592), (256, 1916761), (292, 1680448), (308, 1593152), (341, 1438976), (352, 1394008), (434, 1130624), (448, 1095292), (484, 1013824), (496, 989296), (511, 960256), (584, 840224), (616, 796576), (682, 719488), (704, 697004), (803, 611072), (847, 579328), (868, 565312), (896, 547646), (968, 506912), (992, 494648), (1022, 480128), (1168, 420112), (1232, 398288), (1364, 359744), (1408, 348502), (1606, 305536), (1694, 289664), (1736, 282656), (1792, 273823), (1936, 253456), (1984, 247324), (2044, 240064), (2263, 216832), (2336, 210056), (2387, 205568), (2464, 199144), (2728, 179872), (2816, 174251), (3212, 152768), (3388, 144832), (3472, 141328), (3751, 130816), (3872, 126728), (3968, 123662), (4088, 120032), (4526, 108416), (4672, 105028), (4774, 102784), (4928, 99572), (5456, 89936), (5621, 87296), (6424, 76384), (6776, 72416), (6944, 70664), (7502, 65408), (7744, 63364), (7936, 61831), (8176, 60016), (8833, 55552), (9052, 54208), (9344, 52514), (9548, 51392), (9856, 49786), (10912, 44968), (11242, 43648), (12848, 38192), (13552, 36208), (13888, 35332), (15004, 32704), (15488, 31682), (15841, 30976), (16352, 30008), (17666, 27776), (18104, 27104), (18688, 26257), (19096, 25696), (19712, 24893), (21824, 22484)]