205320400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{13873}}^1$

素因数の和:13928

約数の個数: 60

約数和(自身を含む): 506650732

約数和(自身を除く): 301330332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1480, 1850, 2960, 3700, 7400, 13873, 14800, 27746, 55492, 69365, 110984, 138730, 221968, 277460, 346825, 513301, 554920, 693650, 1026602, 1109840, 1387300, 2053204, 2566505, 2774600, 4106408, 5133010, 5549200, 8212816, 10266020, 12832525, 20532040, 25665050, 41064080, 51330100, 102660200, 205320400]

約数ペア:

[(1, 205320400), (2, 102660200), (4, 51330100), (5, 41064080), (8, 25665050), (10, 20532040), (16, 12832525), (20, 10266020), (25, 8212816), (37, 5549200), (40, 5133010), (50, 4106408), (74, 2774600), (80, 2566505), (100, 2053204), (148, 1387300), (185, 1109840), (200, 1026602), (296, 693650), (370, 554920), (400, 513301), (592, 346825), (740, 277460), (925, 221968), (1480, 138730), (1850, 110984), (2960, 69365), (3700, 55492), (7400, 27746), (13873, 14800)]