2019944395

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2657}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 2945276640

約数和(自身を除く): 925332245

約数列:

[1, 5, 7, 29, 35, 49, 107, 145, 203, 245, 535, 749, 1015, 1421, 2657, 3103, 3745, 5243, 7105, 13285, 15515, 18599, 21721, 26215, 77053, 92995, 108605, 130193, 152047, 284299, 385265, 539371, 650965, 760235, 1421495, 1990093, 2696855, 3775597, 8244671, 9950465, 13930651, 18877985, 41223355, 57712697, 69653255, 288563485, 403988879, 2019944395]

約数ペア:

[(1, 2019944395), (5, 403988879), (7, 288563485), (29, 69653255), (35, 57712697), (49, 41223355), (107, 18877985), (145, 13930651), (203, 9950465), (245, 8244671), (535, 3775597), (749, 2696855), (1015, 1990093), (1421, 1421495), (2657, 760235), (3103, 650965), (3745, 539371), (5243, 385265), (7105, 284299), (13285, 152047), (15515, 130193), (18599, 108605), (21721, 92995), (26215, 77053)]