12950140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 31292352

約数和(自身を除く): 18342212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 397, 466, 794, 932, 1165, 1588, 1631, 1985, 2330, 2779, 3262, 3970, 4660, 5558, 6524, 7940, 8155, 11116, 13895, 16310, 27790, 32620, 55580, 92501, 185002, 370004, 462505, 647507, 925010, 1295014, 1850020, 2590028, 3237535, 6475070, 12950140]

約数ペア:

[(1, 12950140), (2, 6475070), (4, 3237535), (5, 2590028), (7, 1850020), (10, 1295014), (14, 925010), (20, 647507), (28, 462505), (35, 370004), (70, 185002), (140, 92501), (233, 55580), (397, 32620), (466, 27790), (794, 16310), (932, 13895), (1165, 11116), (1588, 8155), (1631, 7940), (1985, 6524), (2330, 5558), (2779, 4660), (3262, 3970)]