66157550

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 126852000

約数和(自身を除く): 60694450

約数列:

[1, 2, 5, 10, 25, 50, 61, 109, 122, 199, 218, 305, 398, 545, 610, 995, 1090, 1525, 1990, 2725, 3050, 4975, 5450, 6649, 9950, 12139, 13298, 21691, 24278, 33245, 43382, 60695, 66490, 108455, 121390, 166225, 216910, 303475, 332450, 542275, 606950, 1084550, 1323151, 2646302, 6615755, 13231510, 33078775, 66157550]

約数ペア:

[(1, 66157550), (2, 33078775), (5, 13231510), (10, 6615755), (25, 2646302), (50, 1323151), (61, 1084550), (109, 606950), (122, 542275), (199, 332450), (218, 303475), (305, 216910), (398, 166225), (545, 121390), (610, 108455), (995, 66490), (1090, 60695), (1525, 43382), (1990, 33245), (2725, 24278), (3050, 21691), (4975, 13298), (5450, 12139), (6649, 9950)]