238916380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{2129}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 521015040

約数和(自身を除く): 282098660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 2129, 3620, 4258, 5611, 8516, 10645, 11222, 21290, 22444, 28055, 42580, 56110, 65999, 112220, 131998, 263996, 329995, 385349, 659990, 770698, 1319980, 1541396, 1926745, 3853490, 7706980, 11945819, 23891638, 47783276, 59729095, 119458190, 238916380]

約数ペア:

[(1, 238916380), (2, 119458190), (4, 59729095), (5, 47783276), (10, 23891638), (20, 11945819), (31, 7706980), (62, 3853490), (124, 1926745), (155, 1541396), (181, 1319980), (310, 770698), (362, 659990), (620, 385349), (724, 329995), (905, 263996), (1810, 131998), (2129, 112220), (3620, 65999), (4258, 56110), (5611, 42580), (8516, 28055), (10645, 22444), (11222, 21290)]