209880468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1109}}^1$

素因数の和:1877

約数の個数: 72

約数和(自身を含む): 607676160

約数和(自身を除く): 397795692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 751, 1109, 1502, 2218, 2253, 3004, 3327, 4436, 4506, 5257, 6654, 6759, 7763, 9012, 9981, 10514, 13308, 13518, 15526, 15771, 19962, 21028, 23289, 27036, 31052, 31542, 39924, 46578, 47313, 63084, 69867, 93156, 94626, 139734, 189252, 279468, 832859, 1665718, 2498577, 3331436, 4997154, 5830013, 7495731, 9994308, 11660026, 14991462, 17490039, 23320052, 29982924, 34980078, 52470117, 69960156, 104940234, 209880468]

約数ペア:

[(1, 209880468), (2, 104940234), (3, 69960156), (4, 52470117), (6, 34980078), (7, 29982924), (9, 23320052), (12, 17490039), (14, 14991462), (18, 11660026), (21, 9994308), (28, 7495731), (36, 5830013), (42, 4997154), (63, 3331436), (84, 2498577), (126, 1665718), (252, 832859), (751, 279468), (1109, 189252), (1502, 139734), (2218, 94626), (2253, 93156), (3004, 69867), (3327, 63084), (4436, 47313), (4506, 46578), (5257, 39924), (6654, 31542), (6759, 31052), (7763, 27036), (9012, 23289), (9981, 21028), (10514, 19962), (13308, 15771), (13518, 15526)]