18751400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 46704600

約数和(自身を除く): 27953200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 53, 58, 61, 100, 106, 116, 122, 145, 200, 212, 232, 244, 265, 290, 305, 424, 488, 530, 580, 610, 725, 1060, 1160, 1220, 1325, 1450, 1525, 1537, 1769, 2120, 2440, 2650, 2900, 3050, 3074, 3233, 3538, 5300, 5800, 6100, 6148, 6466, 7076, 7685, 8845, 10600, 12200, 12296, 12932, 14152, 15370, 16165, 17690, 25864, 30740, 32330, 35380, 38425, 44225, 61480, 64660, 70760, 76850, 80825, 88450, 93757, 129320, 153700, 161650, 176900, 187514, 307400, 323300, 353800, 375028, 468785, 646600, 750056, 937570, 1875140, 2343925, 3750280, 4687850, 9375700, 18751400]

約数ペア:

[(1, 18751400), (2, 9375700), (4, 4687850), (5, 3750280), (8, 2343925), (10, 1875140), (20, 937570), (25, 750056), (29, 646600), (40, 468785), (50, 375028), (53, 353800), (58, 323300), (61, 307400), (100, 187514), (106, 176900), (116, 161650), (122, 153700), (145, 129320), (200, 93757), (212, 88450), (232, 80825), (244, 76850), (265, 70760), (290, 64660), (305, 61480), (424, 44225), (488, 38425), (530, 35380), (580, 32330), (610, 30740), (725, 25864), (1060, 17690), (1160, 16165), (1220, 15370), (1325, 14152), (1450, 12932), (1525, 12296), (1537, 12200), (1769, 10600), (2120, 8845), (2440, 7685), (2650, 7076), (2900, 6466), (3050, 6148), (3074, 6100), (3233, 5800), (3538, 5300)]