1555142780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{49307}}^1$

素因数の和:49418

約数の個数: 48

約数和(自身を含む): 3479172480

約数和(自身を除く): 1924029700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 31540, 49307, 98614, 197228, 246535, 493070, 936833, 986140, 1873666, 3747332, 4092481, 4684165, 8184962, 9368330, 16369924, 18736660, 20462405, 40924810, 77757139, 81849620, 155514278, 311028556, 388785695, 777571390, 1555142780]

約数ペア:

[(1, 1555142780), (2, 777571390), (4, 388785695), (5, 311028556), (10, 155514278), (19, 81849620), (20, 77757139), (38, 40924810), (76, 20462405), (83, 18736660), (95, 16369924), (166, 9368330), (190, 8184962), (332, 4684165), (380, 4092481), (415, 3747332), (830, 1873666), (1577, 986140), (1660, 936833), (3154, 493070), (6308, 246535), (7885, 197228), (15770, 98614), (31540, 49307)]