149730040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 344282400

約数和(自身を除く): 194552360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 137, 178, 274, 307, 356, 445, 548, 614, 685, 712, 890, 1096, 1228, 1370, 1535, 1780, 2456, 2740, 3070, 3560, 5480, 6140, 12193, 12280, 24386, 27323, 42059, 48772, 54646, 60965, 84118, 97544, 109292, 121930, 136615, 168236, 210295, 218584, 243860, 273230, 336472, 420590, 487720, 546460, 841180, 1092920, 1682360, 3743251, 7486502, 14973004, 18716255, 29946008, 37432510, 74865020, 149730040]

約数ペア:

[(1, 149730040), (2, 74865020), (4, 37432510), (5, 29946008), (8, 18716255), (10, 14973004), (20, 7486502), (40, 3743251), (89, 1682360), (137, 1092920), (178, 841180), (274, 546460), (307, 487720), (356, 420590), (445, 336472), (548, 273230), (614, 243860), (685, 218584), (712, 210295), (890, 168236), (1096, 136615), (1228, 121930), (1370, 109292), (1535, 97544), (1780, 84118), (2456, 60965), (2740, 54646), (3070, 48772), (3560, 42059), (5480, 27323), (6140, 24386), (12193, 12280)]