219020580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39251}}^1$

素因数の和:39297

約数の個数: 72

約数和(自身を含む): 685810944

約数和(自身を除く): 466790364

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, 39251, 78502, 117753, 157004, 196255, 235506, 353259, 392510, 471012, 588765, 706518, 785020, 1177530, 1216781, 1413036, 1766295, 2355060, 2433562, 3532590, 3650343, 4867124, 6083905, 7065180, 7300686, 10951029, 12167810, 14601372, 18251715, 21902058, 24335620, 36503430, 43804116, 54755145, 73006860, 109510290, 219020580]

約数ペア:

[(1, 219020580), (2, 109510290), (3, 73006860), (4, 54755145), (5, 43804116), (6, 36503430), (9, 24335620), (10, 21902058), (12, 18251715), (15, 14601372), (18, 12167810), (20, 10951029), (30, 7300686), (31, 7065180), (36, 6083905), (45, 4867124), (60, 3650343), (62, 3532590), (90, 2433562), (93, 2355060), (124, 1766295), (155, 1413036), (180, 1216781), (186, 1177530), (279, 785020), (310, 706518), (372, 588765), (465, 471012), (558, 392510), (620, 353259), (930, 235506), (1116, 196255), (1395, 157004), (1860, 117753), (2790, 78502), (5580, 39251)]