30119920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22147}}^1$

素因数の和:22177

約数の個数: 40

約数和(自身を含む): 74151504

約数和(自身を除く): 44031584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22147, 44294, 88588, 110735, 177176, 221470, 354352, 376499, 442940, 752998, 885880, 1505996, 1771760, 1882495, 3011992, 3764990, 6023984, 7529980, 15059960, 30119920]

約数ペア:

[(1, 30119920), (2, 15059960), (4, 7529980), (5, 6023984), (8, 3764990), (10, 3011992), (16, 1882495), (17, 1771760), (20, 1505996), (34, 885880), (40, 752998), (68, 442940), (80, 376499), (85, 354352), (136, 221470), (170, 177176), (272, 110735), (340, 88588), (680, 44294), (1360, 22147)]