164036980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 351388800

約数和(自身を除く): 187351820

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 331, 349, 355, 662, 698, 710, 1324, 1396, 1420, 1655, 1745, 3310, 3490, 6620, 6980, 23501, 24779, 47002, 49558, 94004, 99116, 115519, 117505, 123895, 231038, 235010, 247790, 462076, 470020, 495580, 577595, 1155190, 2310380, 8201849, 16403698, 32807396, 41009245, 82018490, 164036980]

約数ペア:

[(1, 164036980), (2, 82018490), (4, 41009245), (5, 32807396), (10, 16403698), (20, 8201849), (71, 2310380), (142, 1155190), (284, 577595), (331, 495580), (349, 470020), (355, 462076), (662, 247790), (698, 235010), (710, 231038), (1324, 123895), (1396, 117505), (1420, 115519), (1655, 99116), (1745, 94004), (3310, 49558), (3490, 47002), (6620, 24779), (6980, 23501)]