28330260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67453}}^1$

素因数の和:67472

約数の個数: 48

約数和(自身を含む): 90658176

約数和(自身を除く): 62327916

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, 67453, 134906, 202359, 269812, 337265, 404718, 472171, 674530, 809436, 944342, 1011795, 1349060, 1416513, 1888684, 2023590, 2360855, 2833026, 4047180, 4721710, 5666052, 7082565, 9443420, 14165130, 28330260]

約数ペア:

[(1, 28330260), (2, 14165130), (3, 9443420), (4, 7082565), (5, 5666052), (6, 4721710), (7, 4047180), (10, 2833026), (12, 2360855), (14, 2023590), (15, 1888684), (20, 1416513), (21, 1349060), (28, 1011795), (30, 944342), (35, 809436), (42, 674530), (60, 472171), (70, 404718), (84, 337265), (105, 269812), (140, 202359), (210, 134906), (420, 67453)]