156747820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 357731136

約数和(自身を除く): 200983316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 289, 340, 470, 577, 578, 799, 940, 1154, 1156, 1445, 1598, 2308, 2885, 2890, 3196, 3995, 5770, 5780, 7990, 9809, 11540, 13583, 15980, 19618, 27119, 27166, 39236, 49045, 54238, 54332, 67915, 98090, 108476, 135595, 135830, 166753, 196180, 271190, 271660, 333506, 461023, 542380, 667012, 833765, 922046, 1667530, 1844092, 2305115, 3335060, 4610230, 7837391, 9220460, 15674782, 31349564, 39186955, 78373910, 156747820]

約数ペア:

[(1, 156747820), (2, 78373910), (4, 39186955), (5, 31349564), (10, 15674782), (17, 9220460), (20, 7837391), (34, 4610230), (47, 3335060), (68, 2305115), (85, 1844092), (94, 1667530), (170, 922046), (188, 833765), (235, 667012), (289, 542380), (340, 461023), (470, 333506), (577, 271660), (578, 271190), (799, 196180), (940, 166753), (1154, 135830), (1156, 135595), (1445, 108476), (1598, 98090), (2308, 67915), (2885, 54332), (2890, 54238), (3196, 49045), (3995, 39236), (5770, 27166), (5780, 27119), (7990, 19618), (9809, 15980), (11540, 13583)]