210901880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{107603}}^1$

素因数の和:107628

約数の個数: 48

約数和(自身を含む): 552008520

約数和(自身を除く): 341106640

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, 107603, 215206, 430412, 538015, 753221, 860824, 1076030, 1506442, 2152060, 3012884, 3766105, 4304120, 5272547, 6025768, 7532210, 10545094, 15064420, 21090188, 26362735, 30128840, 42180376, 52725470, 105450940, 210901880]

約数ペア:

[(1, 210901880), (2, 105450940), (4, 52725470), (5, 42180376), (7, 30128840), (8, 26362735), (10, 21090188), (14, 15064420), (20, 10545094), (28, 7532210), (35, 6025768), (40, 5272547), (49, 4304120), (56, 3766105), (70, 3012884), (98, 2152060), (140, 1506442), (196, 1076030), (245, 860824), (280, 753221), (392, 538015), (490, 430412), (980, 215206), (1960, 107603)]