1682940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 5386752

約数和(自身を除く): 3703812

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, 4007, 8014, 12021, 16028, 20035, 24042, 28049, 40070, 48084, 56098, 60105, 80140, 84147, 112196, 120210, 140245, 168294, 240420, 280490, 336588, 420735, 560980, 841470, 1682940]

約数ペア:

[(1, 1682940), (2, 841470), (3, 560980), (4, 420735), (5, 336588), (6, 280490), (7, 240420), (10, 168294), (12, 140245), (14, 120210), (15, 112196), (20, 84147), (21, 80140), (28, 60105), (30, 56098), (35, 48084), (42, 40070), (60, 28049), (70, 24042), (84, 20035), (105, 16028), (140, 12021), (210, 8014), (420, 4007)]