214795140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{511417}}^1$

素因数の和:511436

約数の個数: 48

約数和(自身を含む): 687345792

約数和(自身を除く): 472550652

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, 511417, 1022834, 1534251, 2045668, 2557085, 3068502, 3579919, 5114170, 6137004, 7159838, 7671255, 10228340, 10739757, 14319676, 15342510, 17899595, 21479514, 30685020, 35799190, 42959028, 53698785, 71598380, 107397570, 214795140]

約数ペア:

[(1, 214795140), (2, 107397570), (3, 71598380), (4, 53698785), (5, 42959028), (6, 35799190), (7, 30685020), (10, 21479514), (12, 17899595), (14, 15342510), (15, 14319676), (20, 10739757), (21, 10228340), (28, 7671255), (30, 7159838), (35, 6137004), (42, 5114170), (60, 3579919), (70, 3068502), (84, 2557085), (105, 2045668), (140, 1534251), (210, 1022834), (420, 511417)]