1290530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 2515968

約数和(自身を除く): 1225438

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 181, 230, 310, 362, 713, 905, 1426, 1810, 3565, 4163, 5611, 7130, 8326, 11222, 20815, 28055, 41630, 56110, 129053, 258106, 645265, 1290530]

約数ペア:

[(1, 1290530), (2, 645265), (5, 258106), (10, 129053), (23, 56110), (31, 41630), (46, 28055), (62, 20815), (115, 11222), (155, 8326), (181, 7130), (230, 5611), (310, 4163), (362, 3565), (713, 1810), (905, 1426)]