890222715

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 1660875840

約数和(自身を除く): 770653125

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 61, 87, 145, 159, 183, 211, 261, 265, 305, 435, 477, 549, 633, 795, 915, 1055, 1305, 1537, 1769, 1899, 2385, 2745, 3165, 3233, 4611, 5307, 6119, 7685, 8845, 9495, 9699, 11183, 12871, 13833, 15921, 16165, 18357, 23055, 26535, 29097, 30595, 33549, 38613, 48495, 55071, 55915, 64355, 69165, 79605, 91785, 93757, 100647, 115839, 145485, 167745, 193065, 275355, 281271, 324307, 373259, 468785, 503235, 579195, 682163, 843813, 972921, 1119777, 1406355, 1621535, 1866295, 2046489, 2918763, 3359331, 3410815, 4219065, 4864605, 5598885, 6139467, 10232445, 14593815, 16796655, 19782727, 30697335, 59348181, 98913635, 178044543, 296740905, 890222715]

約数ペア:

[(1, 890222715), (3, 296740905), (5, 178044543), (9, 98913635), (15, 59348181), (29, 30697335), (45, 19782727), (53, 16796655), (61, 14593815), (87, 10232445), (145, 6139467), (159, 5598885), (183, 4864605), (211, 4219065), (261, 3410815), (265, 3359331), (305, 2918763), (435, 2046489), (477, 1866295), (549, 1621535), (633, 1406355), (795, 1119777), (915, 972921), (1055, 843813), (1305, 682163), (1537, 579195), (1769, 503235), (1899, 468785), (2385, 373259), (2745, 324307), (3165, 281271), (3233, 275355), (4611, 193065), (5307, 167745), (6119, 145485), (7685, 115839), (8845, 100647), (9495, 93757), (9699, 91785), (11183, 79605), (12871, 69165), (13833, 64355), (15921, 55915), (16165, 55071), (18357, 48495), (23055, 38613), (26535, 33549), (29097, 30595)]