17644220

素因数分解:

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

素因数の和:371

約数の個数: 72

約数和(自身を含む): 42632352

約数和(自身を除く): 24988132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 317, 460, 484, 506, 605, 634, 1012, 1210, 1265, 1268, 1585, 2420, 2530, 2783, 3170, 3487, 5060, 5566, 6340, 6974, 7291, 11132, 13915, 13948, 14582, 17435, 27830, 29164, 34870, 36455, 38357, 55660, 69740, 72910, 76714, 80201, 145820, 153428, 160402, 191785, 320804, 383570, 401005, 767140, 802010, 882211, 1604020, 1764422, 3528844, 4411055, 8822110, 17644220]

約数ペア:

[(1, 17644220), (2, 8822110), (4, 4411055), (5, 3528844), (10, 1764422), (11, 1604020), (20, 882211), (22, 802010), (23, 767140), (44, 401005), (46, 383570), (55, 320804), (92, 191785), (110, 160402), (115, 153428), (121, 145820), (220, 80201), (230, 76714), (242, 72910), (253, 69740), (317, 55660), (460, 38357), (484, 36455), (506, 34870), (605, 29164), (634, 27830), (1012, 17435), (1210, 14582), (1265, 13948), (1268, 13915), (1585, 11132), (2420, 7291), (2530, 6974), (2783, 6340), (3170, 5566), (3487, 5060)]