210500080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53699}}^1$

素因数の和:53726

約数の個数: 60

約数和(自身を含む): 569327400

約数和(自身を除く): 358827320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 53699, 107398, 214796, 268495, 375893, 429592, 536990, 751786, 859184, 1073980, 1503572, 1879465, 2147960, 2631251, 3007144, 3758930, 4295920, 5262502, 6014288, 7517860, 10525004, 13156255, 15035720, 21050008, 26312510, 30071440, 42100016, 52625020, 105250040, 210500080]

約数ペア:

[(1, 210500080), (2, 105250040), (4, 52625020), (5, 42100016), (7, 30071440), (8, 26312510), (10, 21050008), (14, 15035720), (16, 13156255), (20, 10525004), (28, 7517860), (35, 6014288), (40, 5262502), (49, 4295920), (56, 3758930), (70, 3007144), (80, 2631251), (98, 2147960), (112, 1879465), (140, 1503572), (196, 1073980), (245, 859184), (280, 751786), (392, 536990), (490, 429592), (560, 375893), (784, 268495), (980, 214796), (1960, 107398), (3920, 53699)]