28748890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 52968960

約数和(自身を除く): 24220070

約数列:

[1, 2, 5, 10, 79, 151, 158, 241, 302, 395, 482, 755, 790, 1205, 1510, 2410, 11929, 19039, 23858, 36391, 38078, 59645, 72782, 95195, 119290, 181955, 190390, 363910, 2874889, 5749778, 14374445, 28748890]

約数ペア:

[(1, 28748890), (2, 14374445), (5, 5749778), (10, 2874889), (79, 363910), (151, 190390), (158, 181955), (241, 119290), (302, 95195), (395, 72782), (482, 59645), (755, 38078), (790, 36391), (1205, 23858), (1510, 19039), (2410, 11929)]