280896588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7481}}^1$

素因数の和:7647

約数の個数: 72

約数和(自身を含む): 817034400

約数和(自身を除く): 536137812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 596, 894, 1043, 1341, 1788, 2086, 2682, 3129, 4172, 5364, 6258, 7481, 9387, 12516, 14962, 18774, 22443, 29924, 37548, 44886, 52367, 67329, 89772, 104734, 134658, 157101, 209468, 269316, 314202, 471303, 628404, 942606, 1114669, 1885212, 2229338, 3344007, 4458676, 6688014, 7802683, 10032021, 13376028, 15605366, 20064042, 23408049, 31210732, 40128084, 46816098, 70224147, 93632196, 140448294, 280896588]

約数ペア:

[(1, 280896588), (2, 140448294), (3, 93632196), (4, 70224147), (6, 46816098), (7, 40128084), (9, 31210732), (12, 23408049), (14, 20064042), (18, 15605366), (21, 13376028), (28, 10032021), (36, 7802683), (42, 6688014), (63, 4458676), (84, 3344007), (126, 2229338), (149, 1885212), (252, 1114669), (298, 942606), (447, 628404), (596, 471303), (894, 314202), (1043, 269316), (1341, 209468), (1788, 157101), (2086, 134658), (2682, 104734), (3129, 89772), (4172, 67329), (5364, 52367), (6258, 44886), (7481, 37548), (9387, 29924), (12516, 22443), (14962, 18774)]