210972440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{15377}}^1$

素因数の和:15409

約数の個数: 64

約数和(自身を含む): 553608000

約数和(自身を除く): 342635560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 15377, 30754, 61508, 76885, 107639, 123016, 153770, 215278, 307540, 430556, 538195, 615080, 753473, 861112, 1076390, 1506946, 2152780, 3013892, 3767365, 4305560, 5274311, 6027784, 7534730, 10548622, 15069460, 21097244, 26371555, 30138920, 42194488, 52743110, 105486220, 210972440]

約数ペア:

[(1, 210972440), (2, 105486220), (4, 52743110), (5, 42194488), (7, 30138920), (8, 26371555), (10, 21097244), (14, 15069460), (20, 10548622), (28, 7534730), (35, 6027784), (40, 5274311), (49, 4305560), (56, 3767365), (70, 3013892), (98, 2152780), (140, 1506946), (196, 1076390), (245, 861112), (280, 753473), (343, 615080), (392, 538195), (490, 430556), (686, 307540), (980, 215278), (1372, 153770), (1715, 123016), (1960, 107639), (2744, 76885), (3430, 61508), (6860, 30754), (13720, 15377)]