3909640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13963}}^1$

素因数の和:13981

約数の個数: 32

約数和(自身を含む): 10054080

約数和(自身を除く): 6144440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 13963, 27926, 55852, 69815, 97741, 111704, 139630, 195482, 279260, 390964, 488705, 558520, 781928, 977410, 1954820, 3909640]

約数ペア:

[(1, 3909640), (2, 1954820), (4, 977410), (5, 781928), (7, 558520), (8, 488705), (10, 390964), (14, 279260), (20, 195482), (28, 139630), (35, 111704), (40, 97741), (56, 69815), (70, 55852), (140, 27926), (280, 13963)]