261594740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 625701888

約数和(自身を除く): 364107148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 317, 341, 484, 605, 620, 634, 682, 1210, 1268, 1331, 1364, 1585, 1705, 2420, 2662, 3170, 3410, 3487, 3751, 5324, 6340, 6655, 6820, 6974, 7502, 9827, 13310, 13948, 15004, 17435, 18755, 19654, 26620, 34870, 37510, 38357, 39308, 41261, 49135, 69740, 75020, 76714, 82522, 98270, 108097, 153428, 165044, 191785, 196540, 206305, 216194, 383570, 412610, 421927, 432388, 540485, 767140, 825220, 843854, 1080970, 1189067, 1687708, 2109635, 2161940, 2378134, 4219270, 4756268, 5945335, 8438540, 11890670, 13079737, 23781340, 26159474, 52318948, 65398685, 130797370, 261594740]

約数ペア:

[(1, 261594740), (2, 130797370), (4, 65398685), (5, 52318948), (10, 26159474), (11, 23781340), (20, 13079737), (22, 11890670), (31, 8438540), (44, 5945335), (55, 4756268), (62, 4219270), (110, 2378134), (121, 2161940), (124, 2109635), (155, 1687708), (220, 1189067), (242, 1080970), (310, 843854), (317, 825220), (341, 767140), (484, 540485), (605, 432388), (620, 421927), (634, 412610), (682, 383570), (1210, 216194), (1268, 206305), (1331, 196540), (1364, 191785), (1585, 165044), (1705, 153428), (2420, 108097), (2662, 98270), (3170, 82522), (3410, 76714), (3487, 75020), (3751, 69740), (5324, 49135), (6340, 41261), (6655, 39308), (6820, 38357), (6974, 37510), (7502, 34870), (9827, 26620), (13310, 19654), (13948, 18755), (15004, 17435)]