245153220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314299}}^1$

素因数の和:314324

約数の個数: 48

約数和(自身を含む): 739233600

約数和(自身を除く): 494080380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 314299, 628598, 942897, 1257196, 1571495, 1885794, 3142990, 3771588, 4085887, 4714485, 6285980, 8171774, 9428970, 12257661, 16343548, 18857940, 20429435, 24515322, 40858870, 49030644, 61288305, 81717740, 122576610, 245153220]

約数ペア:

[(1, 245153220), (2, 122576610), (3, 81717740), (4, 61288305), (5, 49030644), (6, 40858870), (10, 24515322), (12, 20429435), (13, 18857940), (15, 16343548), (20, 12257661), (26, 9428970), (30, 8171774), (39, 6285980), (52, 4714485), (60, 4085887), (65, 3771588), (78, 3142990), (130, 1885794), (156, 1571495), (195, 1257196), (260, 942897), (390, 628598), (780, 314299)]