9972820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 24868872

約数和(自身を除く): 14896052

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 317, 484, 572, 605, 634, 715, 1210, 1268, 1430, 1573, 1585, 2420, 2860, 3146, 3170, 3487, 4121, 6292, 6340, 6974, 7865, 8242, 13948, 15730, 16484, 17435, 20605, 31460, 34870, 38357, 41210, 45331, 69740, 76714, 82420, 90662, 153428, 181324, 191785, 226655, 383570, 453310, 498641, 767140, 906620, 997282, 1994564, 2493205, 4986410, 9972820]

約数ペア:

[(1, 9972820), (2, 4986410), (4, 2493205), (5, 1994564), (10, 997282), (11, 906620), (13, 767140), (20, 498641), (22, 453310), (26, 383570), (44, 226655), (52, 191785), (55, 181324), (65, 153428), (110, 90662), (121, 82420), (130, 76714), (143, 69740), (220, 45331), (242, 41210), (260, 38357), (286, 34870), (317, 31460), (484, 20605), (572, 17435), (605, 16484), (634, 15730), (715, 13948), (1210, 8242), (1268, 7865), (1430, 6974), (1573, 6340), (1585, 6292), (2420, 4121), (2860, 3487), (3146, 3170)]