2940420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7001}}^1$

素因数の和:7020

約数の個数: 48

約数和(自身を含む): 9410688

約数和(自身を除く): 6470268

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, 7001, 14002, 21003, 28004, 35005, 42006, 49007, 70010, 84012, 98014, 105015, 140020, 147021, 196028, 210030, 245035, 294042, 420060, 490070, 588084, 735105, 980140, 1470210, 2940420]

約数ペア:

[(1, 2940420), (2, 1470210), (3, 980140), (4, 735105), (5, 588084), (6, 490070), (7, 420060), (10, 294042), (12, 245035), (14, 210030), (15, 196028), (20, 147021), (21, 140020), (28, 105015), (30, 98014), (35, 84012), (42, 70010), (60, 49007), (70, 42006), (84, 35005), (105, 28004), (140, 21003), (210, 14002), (420, 7001)]