164044020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{390581}}^1$

素因数の和:390600

約数の個数: 48

約数和(自身を含む): 524942208

約数和(自身を除く): 360898188

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, 390581, 781162, 1171743, 1562324, 1952905, 2343486, 2734067, 3905810, 4686972, 5468134, 5858715, 7811620, 8202201, 10936268, 11717430, 13670335, 16404402, 23434860, 27340670, 32808804, 41011005, 54681340, 82022010, 164044020]

約数ペア:

[(1, 164044020), (2, 82022010), (3, 54681340), (4, 41011005), (5, 32808804), (6, 27340670), (7, 23434860), (10, 16404402), (12, 13670335), (14, 11717430), (15, 10936268), (20, 8202201), (21, 7811620), (28, 5858715), (30, 5468134), (35, 4686972), (42, 3905810), (60, 2734067), (70, 2343486), (84, 1952905), (105, 1562324), (140, 1171743), (210, 781162), (420, 390581)]