505260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{401}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 1755936

約数和(自身を除く): 1250676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 401, 420, 630, 802, 1203, 1260, 1604, 2005, 2406, 2807, 3609, 4010, 4812, 5614, 6015, 7218, 8020, 8421, 11228, 12030, 14035, 14436, 16842, 18045, 24060, 25263, 28070, 33684, 36090, 42105, 50526, 56140, 72180, 84210, 101052, 126315, 168420, 252630, 505260]

約数ペア:

[(1, 505260), (2, 252630), (3, 168420), (4, 126315), (5, 101052), (6, 84210), (7, 72180), (9, 56140), (10, 50526), (12, 42105), (14, 36090), (15, 33684), (18, 28070), (20, 25263), (21, 24060), (28, 18045), (30, 16842), (35, 14436), (36, 14035), (42, 12030), (45, 11228), (60, 8421), (63, 8020), (70, 7218), (84, 6015), (90, 5614), (105, 4812), (126, 4010), (140, 3609), (180, 2807), (210, 2406), (252, 2005), (315, 1604), (401, 1260), (420, 1203), (630, 802)]