280858750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{9769}}^1$

素因数の和:9814

約数の個数: 40

約数和(自身を含む): 549386640

約数和(自身を除く): 268527890

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 1150, 1250, 2875, 5750, 9769, 14375, 19538, 28750, 48845, 97690, 224687, 244225, 449374, 488450, 1123435, 1221125, 2246870, 2442250, 5617175, 6105625, 11234350, 12211250, 28085875, 56171750, 140429375, 280858750]

約数ペア:

[(1, 280858750), (2, 140429375), (5, 56171750), (10, 28085875), (23, 12211250), (25, 11234350), (46, 6105625), (50, 5617175), (115, 2442250), (125, 2246870), (230, 1221125), (250, 1123435), (575, 488450), (625, 449374), (1150, 244225), (1250, 224687), (2875, 97690), (5750, 48845), (9769, 28750), (14375, 19538)]