195054040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 448752960

約数和(自身を除く): 253698920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 173, 284, 346, 355, 397, 568, 692, 710, 794, 865, 1384, 1420, 1588, 1730, 1985, 2840, 3176, 3460, 3970, 6920, 7940, 12283, 15880, 24566, 28187, 49132, 56374, 61415, 68681, 98264, 112748, 122830, 137362, 140935, 225496, 245660, 274724, 281870, 343405, 491320, 549448, 563740, 686810, 1127480, 1373620, 2747240, 4876351, 9752702, 19505404, 24381755, 39010808, 48763510, 97527020, 195054040]

約数ペア:

[(1, 195054040), (2, 97527020), (4, 48763510), (5, 39010808), (8, 24381755), (10, 19505404), (20, 9752702), (40, 4876351), (71, 2747240), (142, 1373620), (173, 1127480), (284, 686810), (346, 563740), (355, 549448), (397, 491320), (568, 343405), (692, 281870), (710, 274724), (794, 245660), (865, 225496), (1384, 140935), (1420, 137362), (1588, 122830), (1730, 112748), (1985, 98264), (2840, 68681), (3176, 61415), (3460, 56374), (3970, 49132), (6920, 28187), (7940, 24566), (12283, 15880)]