404717840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1996

約数の個数: 80

約数和(自身を含む): 980161968

約数和(自身を除く): 575444128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 73, 74, 80, 146, 148, 185, 292, 296, 365, 370, 584, 592, 730, 740, 1168, 1460, 1480, 1873, 2701, 2920, 2960, 3746, 5402, 5840, 7492, 9365, 10804, 13505, 14984, 18730, 21608, 27010, 29968, 37460, 43216, 54020, 69301, 74920, 108040, 136729, 138602, 149840, 216080, 273458, 277204, 346505, 546916, 554408, 683645, 693010, 1093832, 1108816, 1367290, 1386020, 2187664, 2734580, 2772040, 5058973, 5469160, 5544080, 10117946, 10938320, 20235892, 25294865, 40471784, 50589730, 80943568, 101179460, 202358920, 404717840]

約数ペア:

[(1, 404717840), (2, 202358920), (4, 101179460), (5, 80943568), (8, 50589730), (10, 40471784), (16, 25294865), (20, 20235892), (37, 10938320), (40, 10117946), (73, 5544080), (74, 5469160), (80, 5058973), (146, 2772040), (148, 2734580), (185, 2187664), (292, 1386020), (296, 1367290), (365, 1108816), (370, 1093832), (584, 693010), (592, 683645), (730, 554408), (740, 546916), (1168, 346505), (1460, 277204), (1480, 273458), (1873, 216080), (2701, 149840), (2920, 138602), (2960, 136729), (3746, 108040), (5402, 74920), (5840, 69301), (7492, 54020), (9365, 43216), (10804, 37460), (13505, 29968), (14984, 27010), (18730, 21608)]