201619860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258487}}^1$

素因数の和:258512

約数の個数: 48

約数和(自身を含む): 607963776

約数和(自身を除く): 406343916

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, 258487, 516974, 775461, 1033948, 1292435, 1550922, 2584870, 3101844, 3360331, 3877305, 5169740, 6720662, 7754610, 10080993, 13441324, 15509220, 16801655, 20161986, 33603310, 40323972, 50404965, 67206620, 100809930, 201619860]

約数ペア:

[(1, 201619860), (2, 100809930), (3, 67206620), (4, 50404965), (5, 40323972), (6, 33603310), (10, 20161986), (12, 16801655), (13, 15509220), (15, 13441324), (20, 10080993), (26, 7754610), (30, 6720662), (39, 5169740), (52, 3877305), (60, 3360331), (65, 3101844), (78, 2584870), (130, 1550922), (156, 1292435), (195, 1033948), (260, 775461), (390, 516974), (780, 258487)]