201520380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197569}}^1$

素因数の和:197598

約数の個数: 48

約数和(自身を含む): 597451680

約数和(自身を除く): 395931300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 197569, 395138, 592707, 790276, 987845, 1185414, 1975690, 2370828, 2963535, 3358673, 3951380, 5927070, 6717346, 10076019, 11854140, 13434692, 16793365, 20152038, 33586730, 40304076, 50380095, 67173460, 100760190, 201520380]

約数ペア:

[(1, 201520380), (2, 100760190), (3, 67173460), (4, 50380095), (5, 40304076), (6, 33586730), (10, 20152038), (12, 16793365), (15, 13434692), (17, 11854140), (20, 10076019), (30, 6717346), (34, 5927070), (51, 3951380), (60, 3358673), (68, 2963535), (85, 2370828), (102, 1975690), (170, 1185414), (204, 987845), (255, 790276), (340, 592707), (510, 395138), (1020, 197569)]