131653250

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 255921120

約数和(自身を除く): 124267870

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 97, 122, 125, 178, 194, 250, 305, 445, 485, 610, 890, 970, 1525, 2225, 2425, 3050, 4450, 4850, 5429, 5917, 7625, 8633, 10858, 11125, 11834, 12125, 15250, 17266, 22250, 24250, 27145, 29585, 43165, 54290, 59170, 86330, 135725, 147925, 215825, 271450, 295850, 431650, 526613, 678625, 739625, 1053226, 1079125, 1357250, 1479250, 2158250, 2633065, 5266130, 13165325, 26330650, 65826625, 131653250]

約数ペア:

[(1, 131653250), (2, 65826625), (5, 26330650), (10, 13165325), (25, 5266130), (50, 2633065), (61, 2158250), (89, 1479250), (97, 1357250), (122, 1079125), (125, 1053226), (178, 739625), (194, 678625), (250, 526613), (305, 431650), (445, 295850), (485, 271450), (610, 215825), (890, 147925), (970, 135725), (1525, 86330), (2225, 59170), (2425, 54290), (3050, 43165), (4450, 29585), (4850, 27145), (5429, 24250), (5917, 22250), (7625, 17266), (8633, 15250), (10858, 12125), (11125, 11834)]