212851860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{272887}}^1$

素因数の和:272912

約数の個数: 48

約数和(自身を含む): 641832576

約数和(自身を除く): 428980716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 272887, 545774, 818661, 1091548, 1364435, 1637322, 2728870, 3274644, 3547531, 4093305, 5457740, 7095062, 8186610, 10642593, 14190124, 16373220, 17737655, 21285186, 35475310, 42570372, 53212965, 70950620, 106425930, 212851860]

約数ペア:

[(1, 212851860), (2, 106425930), (3, 70950620), (4, 53212965), (5, 42570372), (6, 35475310), (10, 21285186), (12, 17737655), (13, 16373220), (15, 14190124), (20, 10642593), (26, 8186610), (30, 7095062), (39, 5457740), (52, 4093305), (60, 3547531), (65, 3274644), (78, 2728870), (130, 1637322), (156, 1364435), (195, 1091548), (260, 818661), (390, 545774), (780, 272887)]