890909140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10357}}^1$

素因数の和:10417

約数の個数: 96

約数和(自身を含む): 2255226624

約数和(自身を除く): 1364317484

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 170, 187, 220, 230, 253, 340, 374, 391, 460, 506, 748, 782, 935, 1012, 1265, 1564, 1870, 1955, 2530, 3740, 3910, 4301, 5060, 7820, 8602, 10357, 17204, 20714, 21505, 41428, 43010, 51785, 86020, 103570, 113927, 176069, 207140, 227854, 238211, 352138, 455708, 476422, 569635, 704276, 880345, 952844, 1139270, 1191055, 1760690, 1936759, 2278540, 2382110, 2620321, 3521380, 3873518, 4049587, 4764220, 5240642, 7747036, 8099174, 9683795, 10481284, 13101605, 16198348, 19367590, 20247935, 26203210, 38735180, 40495870, 44545457, 52406420, 80991740, 89090914, 178181828, 222727285, 445454570, 890909140]

約数ペア:

[(1, 890909140), (2, 445454570), (4, 222727285), (5, 178181828), (10, 89090914), (11, 80991740), (17, 52406420), (20, 44545457), (22, 40495870), (23, 38735180), (34, 26203210), (44, 20247935), (46, 19367590), (55, 16198348), (68, 13101605), (85, 10481284), (92, 9683795), (110, 8099174), (115, 7747036), (170, 5240642), (187, 4764220), (220, 4049587), (230, 3873518), (253, 3521380), (340, 2620321), (374, 2382110), (391, 2278540), (460, 1936759), (506, 1760690), (748, 1191055), (782, 1139270), (935, 952844), (1012, 880345), (1265, 704276), (1564, 569635), (1870, 476422), (1955, 455708), (2530, 352138), (3740, 238211), (3910, 227854), (4301, 207140), (5060, 176069), (7820, 113927), (8602, 103570), (10357, 86020), (17204, 51785), (20714, 43010), (21505, 41428)]