221911020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39769}}^1$

素因数の和:39815

約数の個数: 72

約数和(自身を含む): 694861440

約数和(自身を除く): 472950420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39769, 79538, 119307, 159076, 198845, 238614, 357921, 397690, 477228, 596535, 715842, 795380, 1193070, 1232839, 1431684, 1789605, 2386140, 2465678, 3579210, 3698517, 4931356, 6164195, 7158420, 7397034, 11095551, 12328390, 14794068, 18492585, 22191102, 24656780, 36985170, 44382204, 55477755, 73970340, 110955510, 221911020]

約数ペア:

[(1, 221911020), (2, 110955510), (3, 73970340), (4, 55477755), (5, 44382204), (6, 36985170), (9, 24656780), (10, 22191102), (12, 18492585), (15, 14794068), (18, 12328390), (20, 11095551), (30, 7397034), (31, 7158420), (36, 6164195), (45, 4931356), (60, 3698517), (62, 3579210), (90, 2465678), (93, 2386140), (124, 1789605), (155, 1431684), (180, 1232839), (186, 1193070), (279, 795380), (310, 715842), (372, 596535), (465, 477228), (558, 397690), (620, 357921), (930, 238614), (1116, 198845), (1395, 159076), (1860, 119307), (2790, 79538), (5580, 39769)]