201953149940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1998349}}^1$

素因数の和:1998552

約数の個数: 48

約数和(自身を含む): 440468313600

約数和(自身を除く): 238515163660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1630, 3260, 5053, 10106, 20212, 25265, 50530, 101060, 1998349, 3996698, 7993396, 9991745, 19983490, 39966980, 61948819, 123897638, 247795276, 309744095, 325730887, 619488190, 651461774, 1238976380, 1302923548, 1628654435, 3257308870, 6514617740, 10097657497, 20195314994, 40390629988, 50488287485, 100976574970, 201953149940]

約数ペア:

[(1, 201953149940), (2, 100976574970), (4, 50488287485), (5, 40390629988), (10, 20195314994), (20, 10097657497), (31, 6514617740), (62, 3257308870), (124, 1628654435), (155, 1302923548), (163, 1238976380), (310, 651461774), (326, 619488190), (620, 325730887), (652, 309744095), (815, 247795276), (1630, 123897638), (3260, 61948819), (5053, 39966980), (10106, 19983490), (20212, 9991745), (25265, 7993396), (50530, 3996698), (101060, 1998349)]