381661540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{63823}}^1$

素因数の和:63868

約数の個数: 48

約数和(自身を含む): 900684288

約数和(自身を除く): 519022748

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 63823, 127646, 255292, 319115, 638230, 829699, 1276460, 1467929, 1659398, 2935858, 3318796, 4148495, 5871716, 7339645, 8296990, 14679290, 16593980, 19083077, 29358580, 38166154, 76332308, 95415385, 190830770, 381661540]

約数ペア:

[(1, 381661540), (2, 190830770), (4, 95415385), (5, 76332308), (10, 38166154), (13, 29358580), (20, 19083077), (23, 16593980), (26, 14679290), (46, 8296990), (52, 7339645), (65, 5871716), (92, 4148495), (115, 3318796), (130, 2935858), (230, 1659398), (260, 1467929), (299, 1276460), (460, 829699), (598, 638230), (1196, 319115), (1495, 255292), (2990, 127646), (5980, 63823)]