156688280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79943}}^1$

素因数の和:79968

約数の個数: 48

約数和(自身を含む): 410112720

約数和(自身を除く): 253424440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 79943, 159886, 319772, 399715, 559601, 639544, 799430, 1119202, 1598860, 2238404, 2798005, 3197720, 3917207, 4476808, 5596010, 7834414, 11192020, 15668828, 19586035, 22384040, 31337656, 39172070, 78344140, 156688280]

約数ペア:

[(1, 156688280), (2, 78344140), (4, 39172070), (5, 31337656), (7, 22384040), (8, 19586035), (10, 15668828), (14, 11192020), (20, 7834414), (28, 5596010), (35, 4476808), (40, 3917207), (49, 3197720), (56, 2798005), (70, 2238404), (98, 1598860), (140, 1119202), (196, 799430), (245, 639544), (280, 559601), (392, 399715), (490, 319772), (980, 159886), (1960, 79943)]