8984908150

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1277}}^1\times {\mathrm{1291}}^1$

素因数の和:2689

約数の個数: 48

約数和(自身を含む): 16891530480

約数和(自身を除く): 7906622330

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 1277, 1291, 2554, 2582, 2725, 5450, 6385, 6455, 12770, 12910, 31925, 32275, 63850, 64550, 139193, 140719, 278386, 281438, 695965, 703595, 1391930, 1407190, 1648607, 3297214, 3479825, 3517975, 6959650, 7035950, 8243035, 16486070, 41215175, 82430350, 179698163, 359396326, 898490815, 1796981630, 4492454075, 8984908150]

約数ペア:

[(1, 8984908150), (2, 4492454075), (5, 1796981630), (10, 898490815), (25, 359396326), (50, 179698163), (109, 82430350), (218, 41215175), (545, 16486070), (1090, 8243035), (1277, 7035950), (1291, 6959650), (2554, 3517975), (2582, 3479825), (2725, 3297214), (5450, 1648607), (6385, 1407190), (6455, 1391930), (12770, 703595), (12910, 695965), (31925, 281438), (32275, 278386), (63850, 140719), (64550, 139193)]