28075250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 61281792

約数和(自身を除く): 33206542

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 125, 175, 250, 263, 305, 350, 427, 526, 610, 854, 875, 1315, 1525, 1750, 1841, 2135, 2630, 3050, 3682, 4270, 6575, 7625, 9205, 10675, 13150, 15250, 16043, 18410, 21350, 32086, 32875, 46025, 53375, 65750, 80215, 92050, 106750, 112301, 160430, 224602, 230125, 401075, 460250, 561505, 802150, 1123010, 2005375, 2807525, 4010750, 5615050, 14037625, 28075250]

約数ペア:

[(1, 28075250), (2, 14037625), (5, 5615050), (7, 4010750), (10, 2807525), (14, 2005375), (25, 1123010), (35, 802150), (50, 561505), (61, 460250), (70, 401075), (122, 230125), (125, 224602), (175, 160430), (250, 112301), (263, 106750), (305, 92050), (350, 80215), (427, 65750), (526, 53375), (610, 46025), (854, 32875), (875, 32086), (1315, 21350), (1525, 18410), (1750, 16043), (1841, 15250), (2135, 13150), (2630, 10675), (3050, 9205), (3682, 7625), (4270, 6575)]