1918781620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3499}}^1\times {\mathrm{3917}}^1$

素因数の和:7432

約数の個数: 48

約数和(自身を含む): 4607568000

約数和(自身を除く): 2688786380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3499, 3917, 6998, 7834, 13996, 15668, 17495, 19585, 24493, 27419, 34990, 39170, 48986, 54838, 69980, 78340, 97972, 109676, 122465, 137095, 244930, 274190, 489860, 548380, 13705583, 27411166, 54822332, 68527915, 95939081, 137055830, 191878162, 274111660, 383756324, 479695405, 959390810, 1918781620]

約数ペア:

[(1, 1918781620), (2, 959390810), (4, 479695405), (5, 383756324), (7, 274111660), (10, 191878162), (14, 137055830), (20, 95939081), (28, 68527915), (35, 54822332), (70, 27411166), (140, 13705583), (3499, 548380), (3917, 489860), (6998, 274190), (7834, 244930), (13996, 137095), (15668, 122465), (17495, 109676), (19585, 97972), (24493, 78340), (27419, 69980), (34990, 54838), (39170, 48986)]