38904380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 85155840

約数和(自身を除く): 46251460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 479, 524, 620, 655, 958, 1310, 1916, 2395, 2620, 4061, 4790, 8122, 9580, 14849, 16244, 20305, 29698, 40610, 59396, 62749, 74245, 81220, 125498, 148490, 250996, 296980, 313745, 627490, 1254980, 1945219, 3890438, 7780876, 9726095, 19452190, 38904380]

約数ペア:

[(1, 38904380), (2, 19452190), (4, 9726095), (5, 7780876), (10, 3890438), (20, 1945219), (31, 1254980), (62, 627490), (124, 313745), (131, 296980), (155, 250996), (262, 148490), (310, 125498), (479, 81220), (524, 74245), (620, 62749), (655, 59396), (958, 40610), (1310, 29698), (1916, 20305), (2395, 16244), (2620, 14849), (4061, 9580), (4790, 8122)]