218173020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279709}}^1$

素因数の和:279734

約数の個数: 48

約数和(自身を含む): 657877920

約数和(自身を除く): 439704900

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, 279709, 559418, 839127, 1118836, 1398545, 1678254, 2797090, 3356508, 3636217, 4195635, 5594180, 7272434, 8391270, 10908651, 14544868, 16782540, 18181085, 21817302, 36362170, 43634604, 54543255, 72724340, 109086510, 218173020]

約数ペア:

[(1, 218173020), (2, 109086510), (3, 72724340), (4, 54543255), (5, 43634604), (6, 36362170), (10, 21817302), (12, 18181085), (13, 16782540), (15, 14544868), (20, 10908651), (26, 8391270), (30, 7272434), (39, 5594180), (52, 4195635), (60, 3636217), (65, 3356508), (78, 2797090), (130, 1678254), (156, 1398545), (195, 1118836), (260, 839127), (390, 559418), (780, 279709)]