65370025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 98208000

約数和(自身を除く): 32837975

約数列:

[1, 5, 7, 23, 25, 35, 109, 115, 149, 161, 175, 545, 575, 745, 763, 805, 1043, 2507, 2725, 3427, 3725, 3815, 4025, 5215, 12535, 16241, 17135, 17549, 19075, 23989, 26075, 62675, 81205, 85675, 87745, 113687, 119945, 373543, 406025, 438725, 568435, 599725, 1867715, 2614801, 2842175, 9338575, 13074005, 65370025]

約数ペア:

[(1, 65370025), (5, 13074005), (7, 9338575), (23, 2842175), (25, 2614801), (35, 1867715), (109, 599725), (115, 568435), (149, 438725), (161, 406025), (175, 373543), (545, 119945), (575, 113687), (745, 87745), (763, 85675), (805, 81205), (1043, 62675), (2507, 26075), (2725, 23989), (3427, 19075), (3725, 17549), (3815, 17135), (4025, 16241), (5215, 12535)]