29277780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{69709}}^1$

素因数の和:69728

約数の個数: 48

約数和(自身を含む): 93690240

約数和(自身を除く): 64412460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 69709, 139418, 209127, 278836, 348545, 418254, 487963, 697090, 836508, 975926, 1045635, 1394180, 1463889, 1951852, 2091270, 2439815, 2927778, 4182540, 4879630, 5855556, 7319445, 9759260, 14638890, 29277780]

約数ペア:

[(1, 29277780), (2, 14638890), (3, 9759260), (4, 7319445), (5, 5855556), (6, 4879630), (7, 4182540), (10, 2927778), (12, 2439815), (14, 2091270), (15, 1951852), (20, 1463889), (21, 1394180), (28, 1045635), (30, 975926), (35, 836508), (42, 697090), (60, 487963), (70, 418254), (84, 348545), (105, 278836), (140, 209127), (210, 139418), (420, 69709)]