17390740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 38150784

約数和(自身を除く): 20760044

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 331, 355, 370, 662, 710, 740, 1324, 1420, 1655, 2627, 3310, 5254, 6620, 10508, 12247, 13135, 23501, 24494, 26270, 47002, 48988, 52540, 61235, 94004, 117505, 122470, 235010, 244940, 470020, 869537, 1739074, 3478148, 4347685, 8695370, 17390740]

約数ペア:

[(1, 17390740), (2, 8695370), (4, 4347685), (5, 3478148), (10, 1739074), (20, 869537), (37, 470020), (71, 244940), (74, 235010), (142, 122470), (148, 117505), (185, 94004), (284, 61235), (331, 52540), (355, 48988), (370, 47002), (662, 26270), (710, 24494), (740, 23501), (1324, 13135), (1420, 12247), (1655, 10508), (2627, 6620), (3310, 5254)]