20171812290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{184369}}^1$

素因数の和:184907

約数の個数: 64

約数和(自身を含む): 55434896640

約数和(自身を除く): 35263084350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 521, 1042, 1563, 2605, 3126, 3647, 5210, 7294, 7815, 10941, 15630, 18235, 21882, 36470, 54705, 109410, 184369, 368738, 553107, 921845, 1106214, 1290583, 1843690, 2581166, 2765535, 3871749, 5531070, 6452915, 7743498, 12905830, 19358745, 38717490, 96056249, 192112498, 288168747, 480281245, 576337494, 672393743, 960562490, 1344787486, 1440843735, 2017181229, 2881687470, 3361968715, 4034362458, 6723937430, 10085906145, 20171812290]

約数ペア:

[(1, 20171812290), (2, 10085906145), (3, 6723937430), (5, 4034362458), (6, 3361968715), (7, 2881687470), (10, 2017181229), (14, 1440843735), (15, 1344787486), (21, 960562490), (30, 672393743), (35, 576337494), (42, 480281245), (70, 288168747), (105, 192112498), (210, 96056249), (521, 38717490), (1042, 19358745), (1563, 12905830), (2605, 7743498), (3126, 6452915), (3647, 5531070), (5210, 3871749), (7294, 2765535), (7815, 2581166), (10941, 1843690), (15630, 1290583), (18235, 1106214), (21882, 921845), (36470, 553107), (54705, 368738), (109410, 184369)]