30490520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{44839}}^1$

素因数の和:44867

約数の個数: 32

約数和(自身を含む): 72640800

約数和(自身を除く): 42150280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 44839, 89678, 179356, 224195, 358712, 448390, 762263, 896780, 1524526, 1793560, 3049052, 3811315, 6098104, 7622630, 15245260, 30490520]

約数ペア:

[(1, 30490520), (2, 15245260), (4, 7622630), (5, 6098104), (8, 3811315), (10, 3049052), (17, 1793560), (20, 1524526), (34, 896780), (40, 762263), (68, 448390), (85, 358712), (136, 224195), (170, 179356), (340, 89678), (680, 44839)]