213973620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{757}}^1$

素因数の和:1449

約数の個数: 96

約数和(自身を含む): 686638848

約数和(自身を除く): 472665228

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, 673, 757, 1346, 1514, 2019, 2271, 2692, 3028, 3365, 3785, 4038, 4542, 4711, 5299, 6730, 7570, 8076, 9084, 9422, 10095, 10598, 11355, 13460, 14133, 15140, 15897, 18844, 20190, 21196, 22710, 23555, 26495, 28266, 31794, 40380, 45420, 47110, 52990, 56532, 63588, 70665, 79485, 94220, 105980, 141330, 158970, 282660, 317940, 509461, 1018922, 1528383, 2037844, 2547305, 3056766, 3566227, 5094610, 6113532, 7132454, 7641915, 10189220, 10698681, 14264908, 15283830, 17831135, 21397362, 30567660, 35662270, 42794724, 53493405, 71324540, 106986810, 213973620]

約数ペア:

[(1, 213973620), (2, 106986810), (3, 71324540), (4, 53493405), (5, 42794724), (6, 35662270), (7, 30567660), (10, 21397362), (12, 17831135), (14, 15283830), (15, 14264908), (20, 10698681), (21, 10189220), (28, 7641915), (30, 7132454), (35, 6113532), (42, 5094610), (60, 3566227), (70, 3056766), (84, 2547305), (105, 2037844), (140, 1528383), (210, 1018922), (420, 509461), (673, 317940), (757, 282660), (1346, 158970), (1514, 141330), (2019, 105980), (2271, 94220), (2692, 79485), (3028, 70665), (3365, 63588), (3785, 56532), (4038, 52990), (4542, 47110), (4711, 45420), (5299, 40380), (6730, 31794), (7570, 28266), (8076, 26495), (9084, 23555), (9422, 22710), (10095, 21196), (10598, 20190), (11355, 18844), (13460, 15897), (14133, 15140)]