200687890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1387

約数の個数: 64

約数和(自身を含む): 418037760

約数和(自身を除く): 217349870

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 71, 85, 130, 142, 170, 221, 355, 442, 710, 923, 1105, 1207, 1279, 1846, 2210, 2414, 2558, 4615, 6035, 6395, 9230, 12070, 12790, 15691, 16627, 21743, 31382, 33254, 43486, 78455, 83135, 90809, 108715, 156910, 166270, 181618, 217430, 282659, 454045, 565318, 908090, 1180517, 1413295, 1543753, 2361034, 2826590, 3087506, 5902585, 7718765, 11805170, 15437530, 20068789, 40137578, 100343945, 200687890]

約数ペア:

[(1, 200687890), (2, 100343945), (5, 40137578), (10, 20068789), (13, 15437530), (17, 11805170), (26, 7718765), (34, 5902585), (65, 3087506), (71, 2826590), (85, 2361034), (130, 1543753), (142, 1413295), (170, 1180517), (221, 908090), (355, 565318), (442, 454045), (710, 282659), (923, 217430), (1105, 181618), (1207, 166270), (1279, 156910), (1846, 108715), (2210, 90809), (2414, 83135), (2558, 78455), (4615, 43486), (6035, 33254), (6395, 31382), (9230, 21743), (12070, 16627), (12790, 15691)]