305430538

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 559964160

約数和(自身を除く): 254533622

約数列:

[1, 2, 7, 14, 31, 61, 62, 83, 122, 139, 166, 217, 278, 427, 434, 581, 854, 973, 1162, 1891, 1946, 2573, 3782, 4309, 5063, 5146, 8479, 8618, 10126, 11537, 13237, 16958, 18011, 23074, 26474, 30163, 35441, 36022, 59353, 60326, 70882, 80759, 118706, 156953, 161518, 262849, 313906, 357647, 525698, 703757, 715294, 1098671, 1407514, 1839943, 2197342, 2503529, 3679886, 4926299, 5007058, 9852598, 21816467, 43632934, 152715269, 305430538]

約数ペア:

[(1, 305430538), (2, 152715269), (7, 43632934), (14, 21816467), (31, 9852598), (61, 5007058), (62, 4926299), (83, 3679886), (122, 2503529), (139, 2197342), (166, 1839943), (217, 1407514), (278, 1098671), (427, 715294), (434, 703757), (581, 525698), (854, 357647), (973, 313906), (1162, 262849), (1891, 161518), (1946, 156953), (2573, 118706), (3782, 80759), (4309, 70882), (5063, 60326), (5146, 59353), (8479, 36022), (8618, 35441), (10126, 30163), (11537, 26474), (13237, 23074), (16958, 18011)]