7821830020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1\times {\mathrm{3079}}^1$

素因数の和:4948

約数の個数: 48

約数和(自身を含む): 16671916800

約数和(自身を除く): 8850086780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1789, 3079, 3578, 6158, 7156, 8945, 12316, 15395, 17890, 30790, 35780, 61580, 127019, 218609, 254038, 437218, 508076, 635095, 874436, 1093045, 1270190, 2186090, 2540380, 4372180, 5508331, 11016662, 22033324, 27541655, 55083310, 110166620, 391091501, 782183002, 1564366004, 1955457505, 3910915010, 7821830020]

約数ペア:

[(1, 7821830020), (2, 3910915010), (4, 1955457505), (5, 1564366004), (10, 782183002), (20, 391091501), (71, 110166620), (142, 55083310), (284, 27541655), (355, 22033324), (710, 11016662), (1420, 5508331), (1789, 4372180), (3079, 2540380), (3578, 2186090), (6158, 1270190), (7156, 1093045), (8945, 874436), (12316, 635095), (15395, 508076), (17890, 437218), (30790, 254038), (35780, 218609), (61580, 127019)]