83998220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 185154816

約数和(自身を除く): 101156596

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 2221, 3782, 4442, 7564, 8884, 9455, 11105, 18910, 22210, 37820, 44420, 68851, 135481, 137702, 270962, 275404, 344255, 541924, 677405, 688510, 1354810, 1377020, 2709620, 4199911, 8399822, 16799644, 20999555, 41999110, 83998220]

約数ペア:

[(1, 83998220), (2, 41999110), (4, 20999555), (5, 16799644), (10, 8399822), (20, 4199911), (31, 2709620), (61, 1377020), (62, 1354810), (122, 688510), (124, 677405), (155, 541924), (244, 344255), (305, 275404), (310, 270962), (610, 137702), (620, 135481), (1220, 68851), (1891, 44420), (2221, 37820), (3782, 22210), (4442, 18910), (7564, 11105), (8884, 9455)]