90448700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 204986880

約数和(自身を除く): 114538180

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 163, 179, 310, 326, 358, 620, 652, 716, 775, 815, 895, 1550, 1630, 1790, 3100, 3260, 3580, 4075, 4475, 5053, 5549, 8150, 8950, 10106, 11098, 16300, 17900, 20212, 22196, 25265, 27745, 29177, 50530, 55490, 58354, 101060, 110980, 116708, 126325, 138725, 145885, 252650, 277450, 291770, 505300, 554900, 583540, 729425, 904487, 1458850, 1808974, 2917700, 3617948, 4522435, 9044870, 18089740, 22612175, 45224350, 90448700]

約数ペア:

[(1, 90448700), (2, 45224350), (4, 22612175), (5, 18089740), (10, 9044870), (20, 4522435), (25, 3617948), (31, 2917700), (50, 1808974), (62, 1458850), (100, 904487), (124, 729425), (155, 583540), (163, 554900), (179, 505300), (310, 291770), (326, 277450), (358, 252650), (620, 145885), (652, 138725), (716, 126325), (775, 116708), (815, 110980), (895, 101060), (1550, 58354), (1630, 55490), (1790, 50530), (3100, 29177), (3260, 27745), (3580, 25265), (4075, 22196), (4475, 20212), (5053, 17900), (5549, 16300), (8150, 11098), (8950, 10106)]