2012178380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{18131}}^1$

素因数の和:18350

約数の個数: 48

約数和(自身を含む): 4386493440

約数和(自身を除く): 2374315060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 620, 716, 895, 1790, 3580, 5549, 11098, 18131, 22196, 27745, 36262, 55490, 72524, 90655, 110980, 181310, 362620, 562061, 1124122, 2248244, 2810305, 3245449, 5620610, 6490898, 11241220, 12981796, 16227245, 32454490, 64908980, 100608919, 201217838, 402435676, 503044595, 1006089190, 2012178380]

約数ペア:

[(1, 2012178380), (2, 1006089190), (4, 503044595), (5, 402435676), (10, 201217838), (20, 100608919), (31, 64908980), (62, 32454490), (124, 16227245), (155, 12981796), (179, 11241220), (310, 6490898), (358, 5620610), (620, 3245449), (716, 2810305), (895, 2248244), (1790, 1124122), (3580, 562061), (5549, 362620), (11098, 181310), (18131, 110980), (22196, 90655), (27745, 72524), (36262, 55490)]