7148820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17021}}^1$

素因数の和:17040

約数の個数: 48

約数和(自身を含む): 22877568

約数和(自身を除く): 15728748

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, 17021, 34042, 51063, 68084, 85105, 102126, 119147, 170210, 204252, 238294, 255315, 340420, 357441, 476588, 510630, 595735, 714882, 1021260, 1191470, 1429764, 1787205, 2382940, 3574410, 7148820]

約数ペア:

[(1, 7148820), (2, 3574410), (3, 2382940), (4, 1787205), (5, 1429764), (6, 1191470), (7, 1021260), (10, 714882), (12, 595735), (14, 510630), (15, 476588), (20, 357441), (21, 340420), (28, 255315), (30, 238294), (35, 204252), (42, 170210), (60, 119147), (70, 102126), (84, 85105), (105, 68084), (140, 51063), (210, 34042), (420, 17021)]