139631750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 276756480

約数和(自身を除く): 137124730

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 125, 155, 215, 250, 310, 419, 430, 775, 838, 1075, 1333, 1550, 2095, 2150, 2666, 3875, 4190, 5375, 6665, 7750, 10475, 10750, 12989, 13330, 18017, 20950, 25978, 33325, 36034, 52375, 64945, 66650, 90085, 104750, 129890, 166625, 180170, 324725, 333250, 450425, 558527, 649450, 900850, 1117054, 1623625, 2252125, 2792635, 3247250, 4504250, 5585270, 13963175, 27926350, 69815875, 139631750]

約数ペア:

[(1, 139631750), (2, 69815875), (5, 27926350), (10, 13963175), (25, 5585270), (31, 4504250), (43, 3247250), (50, 2792635), (62, 2252125), (86, 1623625), (125, 1117054), (155, 900850), (215, 649450), (250, 558527), (310, 450425), (419, 333250), (430, 324725), (775, 180170), (838, 166625), (1075, 129890), (1333, 104750), (1550, 90085), (2095, 66650), (2150, 64945), (2666, 52375), (3875, 36034), (4190, 33325), (5375, 25978), (6665, 20950), (7750, 18017), (10475, 13330), (10750, 12989)]