218119980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279641}}^1$

素因数の和:279666

約数の個数: 48

約数和(自身を含む): 657717984

約数和(自身を除く): 439598004

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, 279641, 559282, 838923, 1118564, 1398205, 1677846, 2796410, 3355692, 3635333, 4194615, 5592820, 7270666, 8389230, 10905999, 14541332, 16778460, 18176665, 21811998, 36353330, 43623996, 54529995, 72706660, 109059990, 218119980]

約数ペア:

[(1, 218119980), (2, 109059990), (3, 72706660), (4, 54529995), (5, 43623996), (6, 36353330), (10, 21811998), (12, 18176665), (13, 16778460), (15, 14541332), (20, 10905999), (26, 8389230), (30, 7270666), (39, 5592820), (52, 4194615), (60, 3635333), (65, 3355692), (78, 2796410), (130, 1677846), (156, 1398205), (195, 1118564), (260, 838923), (390, 559282), (780, 279641)]