945086620

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1\times {\mathrm{613}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 2004655968

約数和(自身を除く): 1059569348

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 491, 613, 628, 785, 982, 1226, 1570, 1964, 2452, 2455, 3065, 3140, 4910, 6130, 9820, 12260, 77087, 96241, 154174, 192482, 300983, 308348, 384964, 385435, 481205, 601966, 770870, 962410, 1203932, 1504915, 1541740, 1924820, 3009830, 6019660, 47254331, 94508662, 189017324, 236271655, 472543310, 945086620]

約数ペア:

[(1, 945086620), (2, 472543310), (4, 236271655), (5, 189017324), (10, 94508662), (20, 47254331), (157, 6019660), (314, 3009830), (491, 1924820), (613, 1541740), (628, 1504915), (785, 1203932), (982, 962410), (1226, 770870), (1570, 601966), (1964, 481205), (2452, 385435), (2455, 384964), (3065, 308348), (3140, 300983), (4910, 192482), (6130, 154174), (9820, 96241), (12260, 77087)]