745285480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 1698459840

約数和(自身を除く): 953174360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 307, 443, 548, 614, 685, 886, 1096, 1228, 1370, 1535, 1772, 2215, 2456, 2740, 3070, 3544, 4430, 5480, 6140, 8860, 12280, 17720, 42059, 60691, 84118, 121382, 136001, 168236, 210295, 242764, 272002, 303455, 336472, 420590, 485528, 544004, 606910, 680005, 841180, 1088008, 1213820, 1360010, 1682360, 2427640, 2720020, 5440040, 18632137, 37264274, 74528548, 93160685, 149057096, 186321370, 372642740, 745285480]

約数ペア:

[(1, 745285480), (2, 372642740), (4, 186321370), (5, 149057096), (8, 93160685), (10, 74528548), (20, 37264274), (40, 18632137), (137, 5440040), (274, 2720020), (307, 2427640), (443, 1682360), (548, 1360010), (614, 1213820), (685, 1088008), (886, 841180), (1096, 680005), (1228, 606910), (1370, 544004), (1535, 485528), (1772, 420590), (2215, 336472), (2456, 303455), (2740, 272002), (3070, 242764), (3544, 210295), (4430, 168236), (5480, 136001), (6140, 121382), (8860, 84118), (12280, 60691), (17720, 42059)]