399130550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87721}}^1$

素因数の和:87753

約数の個数: 48

約数和(自身を含む): 913712352

約数和(自身を除く): 514581802

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 87721, 175442, 438605, 614047, 877210, 1140373, 1228094, 2193025, 2280746, 3070235, 4386050, 5701865, 6140470, 7982611, 11403730, 15351175, 15965222, 28509325, 30702350, 39913055, 57018650, 79826110, 199565275, 399130550]

約数ペア:

[(1, 399130550), (2, 199565275), (5, 79826110), (7, 57018650), (10, 39913055), (13, 30702350), (14, 28509325), (25, 15965222), (26, 15351175), (35, 11403730), (50, 7982611), (65, 6140470), (70, 5701865), (91, 4386050), (130, 3070235), (175, 2280746), (182, 2193025), (325, 1228094), (350, 1140373), (455, 877210), (650, 614047), (910, 438605), (2275, 175442), (4550, 87721)]