142472440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{323801}}^1$

素因数の和:323823

約数の個数: 32

約数和(自身を含む): 349706160

約数和(自身を除く): 207233720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 323801, 647602, 1295204, 1619005, 2590408, 3238010, 3561811, 6476020, 7123622, 12952040, 14247244, 17809055, 28494488, 35618110, 71236220, 142472440]

約数ペア:

[(1, 142472440), (2, 71236220), (4, 35618110), (5, 28494488), (8, 17809055), (10, 14247244), (11, 12952040), (20, 7123622), (22, 6476020), (40, 3561811), (44, 3238010), (55, 2590408), (88, 1619005), (110, 1295204), (220, 647602), (440, 323801)]