619440040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 1419485760

約数和(自身を除く): 800045720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 307, 365, 584, 614, 691, 730, 1228, 1382, 1460, 1535, 2456, 2764, 2920, 3070, 3455, 5528, 6140, 6910, 12280, 13820, 22411, 27640, 44822, 50443, 89644, 100886, 112055, 179288, 201772, 212137, 224110, 252215, 403544, 424274, 448220, 504430, 848548, 896440, 1008860, 1060685, 1697096, 2017720, 2121370, 4242740, 8485480, 15486001, 30972002, 61944004, 77430005, 123888008, 154860010, 309720020, 619440040]

約数ペア:

[(1, 619440040), (2, 309720020), (4, 154860010), (5, 123888008), (8, 77430005), (10, 61944004), (20, 30972002), (40, 15486001), (73, 8485480), (146, 4242740), (292, 2121370), (307, 2017720), (365, 1697096), (584, 1060685), (614, 1008860), (691, 896440), (730, 848548), (1228, 504430), (1382, 448220), (1460, 424274), (1535, 403544), (2456, 252215), (2764, 224110), (2920, 212137), (3070, 201772), (3455, 179288), (5528, 112055), (6140, 100886), (6910, 89644), (12280, 50443), (13820, 44822), (22411, 27640)]