205797540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263843}}^1$

素因数の和:263868

約数の個数: 48

約数和(自身を含む): 620561088

約数和(自身を除く): 414763548

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, 263843, 527686, 791529, 1055372, 1319215, 1583058, 2638430, 3166116, 3429959, 3957645, 5276860, 6859918, 7915290, 10289877, 13719836, 15830580, 17149795, 20579754, 34299590, 41159508, 51449385, 68599180, 102898770, 205797540]

約数ペア:

[(1, 205797540), (2, 102898770), (3, 68599180), (4, 51449385), (5, 41159508), (6, 34299590), (10, 20579754), (12, 17149795), (13, 15830580), (15, 13719836), (20, 10289877), (26, 7915290), (30, 6859918), (39, 5276860), (52, 3957645), (60, 3429959), (65, 3166116), (78, 2638430), (130, 1583058), (156, 1319215), (195, 1055372), (260, 791529), (390, 527686), (780, 263843)]