450388640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1222

約数の個数: 96

約数和(自身を含む): 1152216576

約数和(自身を除く): 701827936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 223, 260, 416, 446, 520, 892, 971, 1040, 1115, 1784, 1942, 2080, 2230, 2899, 3568, 3884, 4460, 4855, 5798, 7136, 7768, 8920, 9710, 11596, 12623, 14495, 15536, 17840, 19420, 23192, 25246, 28990, 31072, 35680, 38840, 46384, 50492, 57980, 63115, 77680, 92768, 100984, 115960, 126230, 155360, 201968, 216533, 231920, 252460, 403936, 433066, 463840, 504920, 866132, 1009840, 1082665, 1732264, 2019680, 2165330, 2814929, 3464528, 4330660, 5629858, 6929056, 8661320, 11259716, 14074645, 17322640, 22519432, 28149290, 34645280, 45038864, 56298580, 90077728, 112597160, 225194320, 450388640]

約数ペア:

[(1, 450388640), (2, 225194320), (4, 112597160), (5, 90077728), (8, 56298580), (10, 45038864), (13, 34645280), (16, 28149290), (20, 22519432), (26, 17322640), (32, 14074645), (40, 11259716), (52, 8661320), (65, 6929056), (80, 5629858), (104, 4330660), (130, 3464528), (160, 2814929), (208, 2165330), (223, 2019680), (260, 1732264), (416, 1082665), (446, 1009840), (520, 866132), (892, 504920), (971, 463840), (1040, 433066), (1115, 403936), (1784, 252460), (1942, 231920), (2080, 216533), (2230, 201968), (2899, 155360), (3568, 126230), (3884, 115960), (4460, 100984), (4855, 92768), (5798, 77680), (7136, 63115), (7768, 57980), (8920, 50492), (9710, 46384), (11596, 38840), (12623, 35680), (14495, 31072), (15536, 28990), (17840, 25246), (19420, 23192)]