303940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 790272

約数和(自身を除く): 486332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 167, 182, 260, 334, 364, 455, 668, 835, 910, 1169, 1670, 1820, 2171, 2338, 3340, 4342, 4676, 5845, 8684, 10855, 11690, 15197, 21710, 23380, 30394, 43420, 60788, 75985, 151970, 303940]

約数ペア:

[(1, 303940), (2, 151970), (4, 75985), (5, 60788), (7, 43420), (10, 30394), (13, 23380), (14, 21710), (20, 15197), (26, 11690), (28, 10855), (35, 8684), (52, 5845), (65, 4676), (70, 4342), (91, 3340), (130, 2338), (140, 2171), (167, 1820), (182, 1670), (260, 1169), (334, 910), (364, 835), (455, 668)]