28817620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 41177900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 61, 65, 79, 92, 115, 122, 130, 158, 230, 244, 260, 299, 305, 316, 395, 460, 598, 610, 790, 793, 1027, 1196, 1220, 1403, 1495, 1580, 1586, 1817, 2054, 2806, 2990, 3172, 3634, 3965, 4108, 4819, 5135, 5612, 5980, 7015, 7268, 7930, 9085, 9638, 10270, 14030, 15860, 18170, 18239, 19276, 20540, 23621, 24095, 28060, 36340, 36478, 47242, 48190, 62647, 72956, 91195, 94484, 96380, 110837, 118105, 125294, 182390, 221674, 236210, 250588, 313235, 364780, 443348, 472420, 554185, 626470, 1108370, 1252940, 1440881, 2216740, 2881762, 5763524, 7204405, 14408810, 28817620]

約数ペア:

[(1, 28817620), (2, 14408810), (4, 7204405), (5, 5763524), (10, 2881762), (13, 2216740), (20, 1440881), (23, 1252940), (26, 1108370), (46, 626470), (52, 554185), (61, 472420), (65, 443348), (79, 364780), (92, 313235), (115, 250588), (122, 236210), (130, 221674), (158, 182390), (230, 125294), (244, 118105), (260, 110837), (299, 96380), (305, 94484), (316, 91195), (395, 72956), (460, 62647), (598, 48190), (610, 47242), (790, 36478), (793, 36340), (1027, 28060), (1196, 24095), (1220, 23621), (1403, 20540), (1495, 19276), (1580, 18239), (1586, 18170), (1817, 15860), (2054, 14030), (2806, 10270), (2990, 9638), (3172, 9085), (3634, 7930), (3965, 7268), (4108, 7015), (4819, 5980), (5135, 5612)]