2019438980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{14851}}^1$

素因数の和:15396

約数の個数: 48

約数和(自身を含む): 4576079424

約数和(自身を除く): 2556640444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 523, 1046, 2092, 2615, 5230, 6799, 10460, 13598, 14851, 27196, 29702, 33995, 59404, 67990, 74255, 135980, 148510, 193063, 297020, 386126, 772252, 965315, 1930630, 3861260, 7767073, 15534146, 31068292, 38835365, 77670730, 100971949, 155341460, 201943898, 403887796, 504859745, 1009719490, 2019438980]

約数ペア:

[(1, 2019438980), (2, 1009719490), (4, 504859745), (5, 403887796), (10, 201943898), (13, 155341460), (20, 100971949), (26, 77670730), (52, 38835365), (65, 31068292), (130, 15534146), (260, 7767073), (523, 3861260), (1046, 1930630), (2092, 965315), (2615, 772252), (5230, 386126), (6799, 297020), (10460, 193063), (13598, 148510), (14851, 135980), (27196, 74255), (29702, 67990), (33995, 59404)]