151614820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2273

約数の個数: 72

約数和(自身を含む): 375762240

約数和(自身を除く): 224147420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2179, 2485, 3479, 4358, 4970, 6958, 8716, 9940, 10895, 13916, 15253, 17395, 21790, 30506, 34790, 43580, 61012, 69580, 76265, 106771, 152530, 154709, 213542, 305060, 309418, 427084, 533855, 618836, 773545, 1067710, 1082963, 1547090, 2135420, 2165926, 3094180, 4331852, 5414815, 7580741, 10829630, 15161482, 21659260, 30322964, 37903705, 75807410, 151614820]

約数ペア:

[(1, 151614820), (2, 75807410), (4, 37903705), (5, 30322964), (7, 21659260), (10, 15161482), (14, 10829630), (20, 7580741), (28, 5414815), (35, 4331852), (49, 3094180), (70, 2165926), (71, 2135420), (98, 1547090), (140, 1082963), (142, 1067710), (196, 773545), (245, 618836), (284, 533855), (355, 427084), (490, 309418), (497, 305060), (710, 213542), (980, 154709), (994, 152530), (1420, 106771), (1988, 76265), (2179, 69580), (2485, 61012), (3479, 43580), (4358, 34790), (4970, 30506), (6958, 21790), (8716, 17395), (9940, 15253), (10895, 13916)]