990171450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{4967}}^1$

素因数の和:5428

約数の個数: 72

約数和(自身を含む): 2666802528

約数和(自身を除く): 1676631078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 443, 450, 886, 1329, 2215, 2658, 3987, 4430, 4967, 6645, 7974, 9934, 11075, 13290, 14901, 19935, 22150, 24835, 29802, 33225, 39870, 44703, 49670, 66450, 74505, 89406, 99675, 124175, 149010, 199350, 223515, 248350, 372525, 447030, 745050, 1117575, 2200381, 2235150, 4400762, 6601143, 11001905, 13202286, 19803429, 22003810, 33005715, 39606858, 55009525, 66011430, 99017145, 110019050, 165028575, 198034290, 330057150, 495085725, 990171450]

約数ペア:

[(1, 990171450), (2, 495085725), (3, 330057150), (5, 198034290), (6, 165028575), (9, 110019050), (10, 99017145), (15, 66011430), (18, 55009525), (25, 39606858), (30, 33005715), (45, 22003810), (50, 19803429), (75, 13202286), (90, 11001905), (150, 6601143), (225, 4400762), (443, 2235150), (450, 2200381), (886, 1117575), (1329, 745050), (2215, 447030), (2658, 372525), (3987, 248350), (4430, 223515), (4967, 199350), (6645, 149010), (7974, 124175), (9934, 99675), (11075, 89406), (13290, 74505), (14901, 66450), (19935, 49670), (22150, 44703), (24835, 39870), (29802, 33225)]