85817620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 212931936

約数和(自身を除く): 127114316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1307, 1340, 1876, 2345, 2614, 3283, 4690, 5228, 6535, 6566, 9149, 9380, 13070, 13132, 16415, 18298, 26140, 32830, 36596, 45745, 64043, 65660, 87569, 91490, 128086, 175138, 182980, 256172, 320215, 350276, 437845, 612983, 640430, 875690, 1225966, 1280860, 1751380, 2451932, 3064915, 4290881, 6129830, 8581762, 12259660, 17163524, 21454405, 42908810, 85817620]

約数ペア:

[(1, 85817620), (2, 42908810), (4, 21454405), (5, 17163524), (7, 12259660), (10, 8581762), (14, 6129830), (20, 4290881), (28, 3064915), (35, 2451932), (49, 1751380), (67, 1280860), (70, 1225966), (98, 875690), (134, 640430), (140, 612983), (196, 437845), (245, 350276), (268, 320215), (335, 256172), (469, 182980), (490, 175138), (670, 128086), (938, 91490), (980, 87569), (1307, 65660), (1340, 64043), (1876, 45745), (2345, 36596), (2614, 32830), (3283, 26140), (4690, 18298), (5228, 16415), (6535, 13132), (6566, 13070), (9149, 9380)]