145945380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347489}}^1$

素因数の和:347508

約数の個数: 48

約数和(自身を含む): 467026560

約数和(自身を除く): 321081180

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, 347489, 694978, 1042467, 1389956, 1737445, 2084934, 2432423, 3474890, 4169868, 4864846, 5212335, 6949780, 7297269, 9729692, 10424670, 12162115, 14594538, 20849340, 24324230, 29189076, 36486345, 48648460, 72972690, 145945380]

約数ペア:

[(1, 145945380), (2, 72972690), (3, 48648460), (4, 36486345), (5, 29189076), (6, 24324230), (7, 20849340), (10, 14594538), (12, 12162115), (14, 10424670), (15, 9729692), (20, 7297269), (21, 6949780), (28, 5212335), (30, 4864846), (35, 4169868), (42, 3474890), (60, 2432423), (70, 2084934), (84, 1737445), (105, 1389956), (140, 1042467), (210, 694978), (420, 347489)]