72443390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8867}}^1$

素因数の和:8936

約数の個数: 32

約数和(自身を含む): 140469120

約数和(自身を除く): 68025730

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 8867, 17734, 44335, 88670, 168473, 336946, 381281, 762562, 842365, 1684730, 1906405, 3812810, 7244339, 14488678, 36221695, 72443390]

約数ペア:

[(1, 72443390), (2, 36221695), (5, 14488678), (10, 7244339), (19, 3812810), (38, 1906405), (43, 1684730), (86, 842365), (95, 762562), (190, 381281), (215, 336946), (430, 168473), (817, 88670), (1634, 44335), (4085, 17734), (8170, 8867)]