28706600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 73458840

約数和(自身を除く): 44752240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 61, 65, 100, 104, 122, 130, 181, 200, 244, 260, 305, 325, 362, 488, 520, 610, 650, 724, 793, 905, 1220, 1300, 1448, 1525, 1586, 1810, 2353, 2440, 2600, 3050, 3172, 3620, 3965, 4525, 4706, 6100, 6344, 7240, 7930, 9050, 9412, 11041, 11765, 12200, 15860, 18100, 18824, 19825, 22082, 23530, 31720, 36200, 39650, 44164, 47060, 55205, 58825, 79300, 88328, 94120, 110410, 117650, 143533, 158600, 220820, 235300, 276025, 287066, 441640, 470600, 552050, 574132, 717665, 1104100, 1148264, 1435330, 2208200, 2870660, 3588325, 5741320, 7176650, 14353300, 28706600]

約数ペア:

[(1, 28706600), (2, 14353300), (4, 7176650), (5, 5741320), (8, 3588325), (10, 2870660), (13, 2208200), (20, 1435330), (25, 1148264), (26, 1104100), (40, 717665), (50, 574132), (52, 552050), (61, 470600), (65, 441640), (100, 287066), (104, 276025), (122, 235300), (130, 220820), (181, 158600), (200, 143533), (244, 117650), (260, 110410), (305, 94120), (325, 88328), (362, 79300), (488, 58825), (520, 55205), (610, 47060), (650, 44164), (724, 39650), (793, 36200), (905, 31720), (1220, 23530), (1300, 22082), (1448, 19825), (1525, 18824), (1586, 18100), (1810, 15860), (2353, 12200), (2440, 11765), (2600, 11041), (3050, 9412), (3172, 9050), (3620, 7930), (3965, 7240), (4525, 6344), (4706, 6100)]