413865980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{9001}}^1$

素因数の和:9051

約数の個数: 72

約数和(自身を含む): 1005703440

約数和(自身を除く): 591837460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 9001, 9196, 11495, 18002, 22990, 36004, 45005, 45980, 90010, 99011, 171019, 180020, 198022, 342038, 396044, 495055, 684076, 855095, 990110, 1089121, 1710190, 1881209, 1980220, 2178242, 3420380, 3762418, 4356484, 5445605, 7524836, 9406045, 10891210, 18812090, 20693299, 21782420, 37624180, 41386598, 82773196, 103466495, 206932990, 413865980]

約数ペア:

[(1, 413865980), (2, 206932990), (4, 103466495), (5, 82773196), (10, 41386598), (11, 37624180), (19, 21782420), (20, 20693299), (22, 18812090), (38, 10891210), (44, 9406045), (55, 7524836), (76, 5445605), (95, 4356484), (110, 3762418), (121, 3420380), (190, 2178242), (209, 1980220), (220, 1881209), (242, 1710190), (380, 1089121), (418, 990110), (484, 855095), (605, 684076), (836, 495055), (1045, 396044), (1210, 342038), (2090, 198022), (2299, 180020), (2420, 171019), (4180, 99011), (4598, 90010), (9001, 45980), (9196, 45005), (11495, 36004), (18002, 22990)]