201245020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 430557120

約数和(自身を除く): 229312100

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 334, 356, 445, 668, 677, 835, 890, 1354, 1670, 1780, 2708, 3340, 3385, 6770, 13540, 14863, 29726, 59452, 60253, 74315, 113059, 120506, 148630, 226118, 241012, 297260, 301265, 452236, 565295, 602530, 1130590, 1205060, 2261180, 10062251, 20124502, 40249004, 50311255, 100622510, 201245020]

約数ペア:

[(1, 201245020), (2, 100622510), (4, 50311255), (5, 40249004), (10, 20124502), (20, 10062251), (89, 2261180), (167, 1205060), (178, 1130590), (334, 602530), (356, 565295), (445, 452236), (668, 301265), (677, 297260), (835, 241012), (890, 226118), (1354, 148630), (1670, 120506), (1780, 113059), (2708, 74315), (3340, 60253), (3385, 59452), (6770, 29726), (13540, 14863)]