1639685870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3061}}^1$

素因数の和:3245

約数の個数: 64

約数和(自身を含む): 3285795456

約数和(自身を除く): 1646109586

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 137, 170, 230, 274, 391, 685, 782, 1370, 1955, 2329, 3061, 3151, 3910, 4658, 6122, 6302, 11645, 15305, 15755, 23290, 30610, 31510, 52037, 53567, 70403, 104074, 107134, 140806, 260185, 267835, 352015, 419357, 520370, 535670, 704030, 838714, 1196851, 2096785, 2393702, 4193570, 5984255, 7129069, 9645211, 11968510, 14258138, 19290422, 35645345, 48226055, 71290690, 96452110, 163968587, 327937174, 819842935, 1639685870]

約数ペア:

[(1, 1639685870), (2, 819842935), (5, 327937174), (10, 163968587), (17, 96452110), (23, 71290690), (34, 48226055), (46, 35645345), (85, 19290422), (115, 14258138), (137, 11968510), (170, 9645211), (230, 7129069), (274, 5984255), (391, 4193570), (685, 2393702), (782, 2096785), (1370, 1196851), (1955, 838714), (2329, 704030), (3061, 535670), (3151, 520370), (3910, 419357), (4658, 352015), (6122, 267835), (6302, 260185), (11645, 140806), (15305, 107134), (15755, 104074), (23290, 70403), (30610, 53567), (31510, 52037)]