389050175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 535680000

約数和(自身を除く): 146629825

約数列:

[1, 5, 19, 23, 25, 95, 115, 149, 239, 437, 475, 575, 745, 1195, 2185, 2831, 3427, 3725, 4541, 5497, 5975, 10925, 14155, 17135, 22705, 27485, 35611, 65113, 70775, 85675, 104443, 113525, 137425, 178055, 325565, 522215, 676609, 819053, 890275, 1627825, 2611075, 3383045, 4095265, 15562007, 16915225, 20476325, 77810035, 389050175]

約数ペア:

[(1, 389050175), (5, 77810035), (19, 20476325), (23, 16915225), (25, 15562007), (95, 4095265), (115, 3383045), (149, 2611075), (239, 1627825), (437, 890275), (475, 819053), (575, 676609), (745, 522215), (1195, 325565), (2185, 178055), (2831, 137425), (3427, 113525), (3725, 104443), (4541, 85675), (5497, 70775), (5975, 65113), (10925, 35611), (14155, 27485), (17135, 22705)]