817237820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{3023}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 1963035648

約数和(自身を除く): 1145797828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1931, 3023, 3862, 6046, 7724, 9655, 12092, 13517, 15115, 19310, 21161, 27034, 30230, 38620, 42322, 54068, 60460, 67585, 84644, 105805, 135170, 211610, 270340, 423220, 5837413, 11674826, 23349652, 29187065, 40861891, 58374130, 81723782, 116748260, 163447564, 204309455, 408618910, 817237820]

約数ペア:

[(1, 817237820), (2, 408618910), (4, 204309455), (5, 163447564), (7, 116748260), (10, 81723782), (14, 58374130), (20, 40861891), (28, 29187065), (35, 23349652), (70, 11674826), (140, 5837413), (1931, 423220), (3023, 270340), (3862, 211610), (6046, 135170), (7724, 105805), (9655, 84644), (12092, 67585), (13517, 60460), (15115, 54068), (19310, 42322), (21161, 38620), (27034, 30230)]