1653260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{241}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 4065600

約数和(自身を除く): 2412340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 241, 245, 343, 482, 490, 686, 964, 980, 1205, 1372, 1687, 1715, 2410, 3374, 3430, 4820, 6748, 6860, 8435, 11809, 16870, 23618, 33740, 47236, 59045, 82663, 118090, 165326, 236180, 330652, 413315, 826630, 1653260]

約数ペア:

[(1, 1653260), (2, 826630), (4, 413315), (5, 330652), (7, 236180), (10, 165326), (14, 118090), (20, 82663), (28, 59045), (35, 47236), (49, 33740), (70, 23618), (98, 16870), (140, 11809), (196, 8435), (241, 6860), (245, 6748), (343, 4820), (482, 3430), (490, 3374), (686, 2410), (964, 1715), (980, 1687), (1205, 1372)]