68148460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 146966400

約数和(自身を除く): 78817940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 239, 265, 269, 478, 530, 538, 956, 1060, 1076, 1195, 1345, 2390, 2690, 4780, 5380, 12667, 14257, 25334, 28514, 50668, 57028, 63335, 64291, 71285, 126670, 128582, 142570, 253340, 257164, 285140, 321455, 642910, 1285820, 3407423, 6814846, 13629692, 17037115, 34074230, 68148460]

約数ペア:

[(1, 68148460), (2, 34074230), (4, 17037115), (5, 13629692), (10, 6814846), (20, 3407423), (53, 1285820), (106, 642910), (212, 321455), (239, 285140), (265, 257164), (269, 253340), (478, 142570), (530, 128582), (538, 126670), (956, 71285), (1060, 64291), (1076, 63335), (1195, 57028), (1345, 50668), (2390, 28514), (2690, 25334), (4780, 14257), (5380, 12667)]