253667560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1697}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 592330320

約数和(自身を除く): 338662760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 148, 185, 202, 296, 370, 404, 505, 740, 808, 1010, 1480, 1697, 2020, 3394, 3737, 4040, 6788, 7474, 8485, 13576, 14948, 16970, 18685, 29896, 33940, 37370, 62789, 67880, 74740, 125578, 149480, 171397, 251156, 313945, 342794, 502312, 627890, 685588, 856985, 1255780, 1371176, 1713970, 2511560, 3427940, 6341689, 6855880, 12683378, 25366756, 31708445, 50733512, 63416890, 126833780, 253667560]

約数ペア:

[(1, 253667560), (2, 126833780), (4, 63416890), (5, 50733512), (8, 31708445), (10, 25366756), (20, 12683378), (37, 6855880), (40, 6341689), (74, 3427940), (101, 2511560), (148, 1713970), (185, 1371176), (202, 1255780), (296, 856985), (370, 685588), (404, 627890), (505, 502312), (740, 342794), (808, 313945), (1010, 251156), (1480, 171397), (1697, 149480), (2020, 125578), (3394, 74740), (3737, 67880), (4040, 62789), (6788, 37370), (7474, 33940), (8485, 29896), (13576, 18685), (14948, 16970)]