399359772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1429}}^1$

素因数の和:2555

約数の個数: 72

約数和(自身を含む): 1155554400

約数和(自身を除く): 756194628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1109, 1429, 2218, 2858, 3327, 4287, 4436, 5716, 6654, 7763, 8574, 9981, 10003, 12861, 13308, 15526, 17148, 19962, 20006, 23289, 25722, 30009, 31052, 39924, 40012, 46578, 51444, 60018, 69867, 90027, 93156, 120036, 139734, 180054, 279468, 360108, 1584761, 3169522, 4754283, 6339044, 9508566, 11093327, 14262849, 19017132, 22186654, 28525698, 33279981, 44373308, 57051396, 66559962, 99839943, 133119924, 199679886, 399359772]

約数ペア:

[(1, 399359772), (2, 199679886), (3, 133119924), (4, 99839943), (6, 66559962), (7, 57051396), (9, 44373308), (12, 33279981), (14, 28525698), (18, 22186654), (21, 19017132), (28, 14262849), (36, 11093327), (42, 9508566), (63, 6339044), (84, 4754283), (126, 3169522), (252, 1584761), (1109, 360108), (1429, 279468), (2218, 180054), (2858, 139734), (3327, 120036), (4287, 93156), (4436, 90027), (5716, 69867), (6654, 60018), (7763, 51444), (8574, 46578), (9981, 40012), (10003, 39924), (12861, 31052), (13308, 30009), (15526, 25722), (17148, 23289), (19962, 20006)]