42745220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3023}}^1$

素因数の和:3140

約数の個数: 48

約数和(自身を含む): 103638528

約数和(自身を除く): 60893308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3023, 3535, 6046, 7070, 12092, 14140, 15115, 21161, 30230, 42322, 60460, 84644, 105805, 211610, 305323, 423220, 610646, 1221292, 1526615, 2137261, 3053230, 4274522, 6106460, 8549044, 10686305, 21372610, 42745220]

約数ペア:

[(1, 42745220), (2, 21372610), (4, 10686305), (5, 8549044), (7, 6106460), (10, 4274522), (14, 3053230), (20, 2137261), (28, 1526615), (35, 1221292), (70, 610646), (101, 423220), (140, 305323), (202, 211610), (404, 105805), (505, 84644), (707, 60460), (1010, 42322), (1414, 30230), (2020, 21161), (2828, 15115), (3023, 14140), (3535, 12092), (6046, 7070)]