402051860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{410257}}^1$

素因数の和:410280

約数の個数: 36

約数和(自身を含む): 982157652

約数和(自身を除く): 580105792

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 410257, 820514, 1641028, 2051285, 2871799, 4102570, 5743598, 8205140, 11487196, 14358995, 20102593, 28717990, 40205186, 57435980, 80410372, 100512965, 201025930, 402051860]

約数ペア:

[(1, 402051860), (2, 201025930), (4, 100512965), (5, 80410372), (7, 57435980), (10, 40205186), (14, 28717990), (20, 20102593), (28, 14358995), (35, 11487196), (49, 8205140), (70, 5743598), (98, 4102570), (140, 2871799), (196, 2051285), (245, 1641028), (490, 820514), (980, 410257)]