199976280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{751}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 688711680

約数和(自身を除く): 488735400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 317, 420, 634, 751, 840, 951, 1268, 1502, 1585, 1902, 2219, 2253, 2536, 3004, 3170, 3755, 3804, 4438, 4506, 4755, 5257, 6008, 6340, 6657, 7510, 7608, 8876, 9012, 9510, 10514, 11095, 11265, 12680, 13314, 15020, 15771, 17752, 18024, 19020, 21028, 22190, 22530, 26285, 26628, 30040, 31542, 33285, 38040, 42056, 44380, 45060, 52570, 53256, 63084, 66570, 78855, 88760, 90120, 105140, 126168, 133140, 157710, 210280, 238067, 266280, 315420, 476134, 630840, 714201, 952268, 1190335, 1428402, 1666469, 1904536, 2380670, 2856804, 3332938, 3571005, 4761340, 4999407, 5713608, 6665876, 7142010, 8332345, 9522680, 9998814, 13331752, 14284020, 16664690, 19997628, 24997035, 28568040, 33329380, 39995256, 49994070, 66658760, 99988140, 199976280]

約数ペア:

[(1, 199976280), (2, 99988140), (3, 66658760), (4, 49994070), (5, 39995256), (6, 33329380), (7, 28568040), (8, 24997035), (10, 19997628), (12, 16664690), (14, 14284020), (15, 13331752), (20, 9998814), (21, 9522680), (24, 8332345), (28, 7142010), (30, 6665876), (35, 5713608), (40, 4999407), (42, 4761340), (56, 3571005), (60, 3332938), (70, 2856804), (84, 2380670), (105, 1904536), (120, 1666469), (140, 1428402), (168, 1190335), (210, 952268), (280, 714201), (317, 630840), (420, 476134), (634, 315420), (751, 266280), (840, 238067), (951, 210280), (1268, 157710), (1502, 133140), (1585, 126168), (1902, 105140), (2219, 90120), (2253, 88760), (2536, 78855), (3004, 66570), (3170, 63084), (3755, 53256), (3804, 52570), (4438, 45060), (4506, 44380), (4755, 42056), (5257, 38040), (6008, 33285), (6340, 31542), (6657, 30040), (7510, 26628), (7608, 26285), (8876, 22530), (9012, 22190), (9510, 21028), (10514, 19020), (11095, 18024), (11265, 17752), (12680, 15771), (13314, 15020)]