72123700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 172176480

約数和(自身を除く): 100052780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 173, 220, 275, 346, 379, 550, 692, 758, 865, 1100, 1516, 1730, 1895, 1903, 3460, 3790, 3806, 4169, 4325, 7580, 7612, 8338, 8650, 9475, 9515, 16676, 17300, 18950, 19030, 20845, 37900, 38060, 41690, 47575, 65567, 83380, 95150, 104225, 131134, 190300, 208450, 262268, 327835, 416900, 655670, 721237, 1311340, 1442474, 1639175, 2884948, 3278350, 3606185, 6556700, 7212370, 14424740, 18030925, 36061850, 72123700]

約数ペア:

[(1, 72123700), (2, 36061850), (4, 18030925), (5, 14424740), (10, 7212370), (11, 6556700), (20, 3606185), (22, 3278350), (25, 2884948), (44, 1639175), (50, 1442474), (55, 1311340), (100, 721237), (110, 655670), (173, 416900), (220, 327835), (275, 262268), (346, 208450), (379, 190300), (550, 131134), (692, 104225), (758, 95150), (865, 83380), (1100, 65567), (1516, 47575), (1730, 41690), (1895, 38060), (1903, 37900), (3460, 20845), (3790, 19030), (3806, 18950), (4169, 17300), (4325, 16676), (7580, 9515), (7612, 9475), (8338, 8650)]