207941480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1446

約数の個数: 64

約数和(自身を含む): 485298000

約数和(自身を除く): 277356520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 545, 740, 872, 1090, 1289, 1480, 2180, 2578, 4033, 4360, 5156, 6445, 8066, 10312, 12890, 16132, 20165, 25780, 32264, 40330, 47693, 51560, 80660, 95386, 140501, 161320, 190772, 238465, 281002, 381544, 476930, 562004, 702505, 953860, 1124008, 1405010, 1907720, 2810020, 5198537, 5620040, 10397074, 20794148, 25992685, 41588296, 51985370, 103970740, 207941480]

約数ペア:

[(1, 207941480), (2, 103970740), (4, 51985370), (5, 41588296), (8, 25992685), (10, 20794148), (20, 10397074), (37, 5620040), (40, 5198537), (74, 2810020), (109, 1907720), (148, 1405010), (185, 1124008), (218, 953860), (296, 702505), (370, 562004), (436, 476930), (545, 381544), (740, 281002), (872, 238465), (1090, 190772), (1289, 161320), (1480, 140501), (2180, 95386), (2578, 80660), (4033, 51560), (4360, 47693), (5156, 40330), (6445, 32264), (8066, 25780), (10312, 20165), (12890, 16132)]