4163980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 9537696

約数和(自身を除く): 5373716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 331, 340, 370, 629, 662, 740, 1258, 1324, 1655, 2516, 3145, 3310, 5627, 6290, 6620, 11254, 12247, 12580, 22508, 24494, 28135, 48988, 56270, 61235, 112540, 122470, 208199, 244940, 416398, 832796, 1040995, 2081990, 4163980]

約数ペア:

[(1, 4163980), (2, 2081990), (4, 1040995), (5, 832796), (10, 416398), (17, 244940), (20, 208199), (34, 122470), (37, 112540), (68, 61235), (74, 56270), (85, 48988), (148, 28135), (170, 24494), (185, 22508), (331, 12580), (340, 12247), (370, 11254), (629, 6620), (662, 6290), (740, 5627), (1258, 3310), (1324, 3145), (1655, 2516)]