155589940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 376959744

約数和(自身を除く): 221369804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 97, 110, 115, 194, 220, 230, 253, 317, 388, 460, 485, 506, 634, 970, 1012, 1067, 1265, 1268, 1585, 1940, 2134, 2231, 2530, 3170, 3487, 4268, 4462, 5060, 5335, 6340, 6974, 7291, 8924, 10670, 11155, 13948, 14582, 17435, 21340, 22310, 24541, 29164, 30749, 34870, 36455, 44620, 49082, 61498, 69740, 72910, 80201, 98164, 122705, 122996, 145820, 153745, 160402, 245410, 307490, 320804, 338239, 401005, 490820, 614980, 676478, 707227, 802010, 1352956, 1414454, 1604020, 1691195, 2828908, 3382390, 3536135, 6764780, 7072270, 7779497, 14144540, 15558994, 31117988, 38897485, 77794970, 155589940]

約数ペア:

[(1, 155589940), (2, 77794970), (4, 38897485), (5, 31117988), (10, 15558994), (11, 14144540), (20, 7779497), (22, 7072270), (23, 6764780), (44, 3536135), (46, 3382390), (55, 2828908), (92, 1691195), (97, 1604020), (110, 1414454), (115, 1352956), (194, 802010), (220, 707227), (230, 676478), (253, 614980), (317, 490820), (388, 401005), (460, 338239), (485, 320804), (506, 307490), (634, 245410), (970, 160402), (1012, 153745), (1067, 145820), (1265, 122996), (1268, 122705), (1585, 98164), (1940, 80201), (2134, 72910), (2231, 69740), (2530, 61498), (3170, 49082), (3487, 44620), (4268, 36455), (4462, 34870), (5060, 30749), (5335, 29164), (6340, 24541), (6974, 22310), (7291, 21340), (8924, 17435), (10670, 14582), (11155, 13948)]