29998020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38459}}^1$

素因数の和:38484

約数の個数: 48

約数和(自身を含む): 90457920

約数和(自身を除く): 60459900

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, 38459, 76918, 115377, 153836, 192295, 230754, 384590, 461508, 499967, 576885, 769180, 999934, 1153770, 1499901, 1999868, 2307540, 2499835, 2999802, 4999670, 5999604, 7499505, 9999340, 14999010, 29998020]

約数ペア:

[(1, 29998020), (2, 14999010), (3, 9999340), (4, 7499505), (5, 5999604), (6, 4999670), (10, 2999802), (12, 2499835), (13, 2307540), (15, 1999868), (20, 1499901), (26, 1153770), (30, 999934), (39, 769180), (52, 576885), (60, 499967), (65, 461508), (78, 384590), (130, 230754), (156, 192295), (195, 153836), (260, 115377), (390, 76918), (780, 38459)]