211320880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{155383}}^1$

素因数の和:155413

約数の個数: 40

約数和(自身を含む): 520225632

約数和(自身を除く): 308904752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 155383, 310766, 621532, 776915, 1243064, 1553830, 2486128, 2641511, 3107660, 5283022, 6215320, 10566044, 12430640, 13207555, 21132088, 26415110, 42264176, 52830220, 105660440, 211320880]

約数ペア:

[(1, 211320880), (2, 105660440), (4, 52830220), (5, 42264176), (8, 26415110), (10, 21132088), (16, 13207555), (17, 12430640), (20, 10566044), (34, 6215320), (40, 5283022), (68, 3107660), (80, 2641511), (85, 2486128), (136, 1553830), (170, 1243064), (272, 776915), (340, 621532), (680, 310766), (1360, 155383)]