155414840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{555053}}^1$

素因数の和:555071

約数の個数: 32

約数和(自身を含む): 399638880

約数和(自身を除く): 244224040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 555053, 1110106, 2220212, 2775265, 3885371, 4440424, 5550530, 7770742, 11101060, 15541484, 19426855, 22202120, 31082968, 38853710, 77707420, 155414840]

約数ペア:

[(1, 155414840), (2, 77707420), (4, 38853710), (5, 31082968), (7, 22202120), (8, 19426855), (10, 15541484), (14, 11101060), (20, 7770742), (28, 5550530), (35, 4440424), (40, 3885371), (56, 2775265), (70, 2220212), (140, 1110106), (280, 555053)]