200912900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 447638016

約数和(自身を除く): 246725116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 157, 191, 268, 314, 335, 382, 628, 670, 764, 785, 955, 1340, 1570, 1675, 1910, 3140, 3350, 3820, 3925, 4775, 6700, 7850, 9550, 10519, 12797, 15700, 19100, 21038, 25594, 29987, 42076, 51188, 52595, 59974, 63985, 105190, 119948, 127970, 149935, 210380, 255940, 262975, 299870, 319925, 525950, 599740, 639850, 749675, 1051900, 1279700, 1499350, 2009129, 2998700, 4018258, 8036516, 10045645, 20091290, 40182580, 50228225, 100456450, 200912900]

約数ペア:

[(1, 200912900), (2, 100456450), (4, 50228225), (5, 40182580), (10, 20091290), (20, 10045645), (25, 8036516), (50, 4018258), (67, 2998700), (100, 2009129), (134, 1499350), (157, 1279700), (191, 1051900), (268, 749675), (314, 639850), (335, 599740), (382, 525950), (628, 319925), (670, 299870), (764, 262975), (785, 255940), (955, 210380), (1340, 149935), (1570, 127970), (1675, 119948), (1910, 105190), (3140, 63985), (3350, 59974), (3820, 52595), (3925, 51188), (4775, 42076), (6700, 29987), (7850, 25594), (9550, 21038), (10519, 19100), (12797, 15700)]