138439860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{177487}}^1$

素因数の和:177512

約数の個数: 48

約数和(自身を含む): 417451776

約数和(自身を除く): 279011916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 177487, 354974, 532461, 709948, 887435, 1064922, 1774870, 2129844, 2307331, 2662305, 3549740, 4614662, 5324610, 6921993, 9229324, 10649220, 11536655, 13843986, 23073310, 27687972, 34609965, 46146620, 69219930, 138439860]

約数ペア:

[(1, 138439860), (2, 69219930), (3, 46146620), (4, 34609965), (5, 27687972), (6, 23073310), (10, 13843986), (12, 11536655), (13, 10649220), (15, 9229324), (20, 6921993), (26, 5324610), (30, 4614662), (39, 3549740), (52, 2662305), (60, 2307331), (65, 2129844), (78, 1774870), (130, 1064922), (156, 887435), (195, 709948), (260, 532461), (390, 354974), (780, 177487)]