401626260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{318751}}^1$

素因数の和:318773

約数の個数: 72

約数和(自身を含む): 1392308736

約数和(自身を除く): 990682476

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, 420, 630, 1260, 318751, 637502, 956253, 1275004, 1593755, 1912506, 2231257, 2868759, 3187510, 3825012, 4462514, 4781265, 5737518, 6375020, 6693771, 8925028, 9562530, 11156285, 11475036, 13387542, 14343795, 19125060, 20081313, 22312570, 26775084, 28687590, 33468855, 40162626, 44625140, 57375180, 66937710, 80325252, 100406565, 133875420, 200813130, 401626260]

約数ペア:

[(1, 401626260), (2, 200813130), (3, 133875420), (4, 100406565), (5, 80325252), (6, 66937710), (7, 57375180), (9, 44625140), (10, 40162626), (12, 33468855), (14, 28687590), (15, 26775084), (18, 22312570), (20, 20081313), (21, 19125060), (28, 14343795), (30, 13387542), (35, 11475036), (36, 11156285), (42, 9562530), (45, 8925028), (60, 6693771), (63, 6375020), (70, 5737518), (84, 4781265), (90, 4462514), (105, 3825012), (126, 3187510), (140, 2868759), (180, 2231257), (210, 1912506), (252, 1593755), (315, 1275004), (420, 956253), (630, 637502), (1260, 318751)]