643414960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 1536901632

約数和(自身を除く): 893486672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 211, 235, 376, 422, 470, 752, 811, 844, 940, 1055, 1622, 1688, 1880, 2110, 3244, 3376, 3760, 4055, 4220, 6488, 8110, 8440, 9917, 12976, 16220, 16880, 19834, 32440, 38117, 39668, 49585, 64880, 76234, 79336, 99170, 152468, 158672, 171121, 190585, 198340, 304936, 342242, 381170, 396680, 609872, 684484, 762340, 793360, 855605, 1368968, 1524680, 1711210, 2737936, 3049360, 3422420, 6844840, 8042687, 13689680, 16085374, 32170748, 40213435, 64341496, 80426870, 128682992, 160853740, 321707480, 643414960]

約数ペア:

[(1, 643414960), (2, 321707480), (4, 160853740), (5, 128682992), (8, 80426870), (10, 64341496), (16, 40213435), (20, 32170748), (40, 16085374), (47, 13689680), (80, 8042687), (94, 6844840), (188, 3422420), (211, 3049360), (235, 2737936), (376, 1711210), (422, 1524680), (470, 1368968), (752, 855605), (811, 793360), (844, 762340), (940, 684484), (1055, 609872), (1622, 396680), (1688, 381170), (1880, 342242), (2110, 304936), (3244, 198340), (3376, 190585), (3760, 171121), (4055, 158672), (4220, 152468), (6488, 99170), (8110, 79336), (8440, 76234), (9917, 64880), (12976, 49585), (16220, 39668), (16880, 38117), (19834, 32440)]