3748550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 7707840

約数和(自身を除く): 3959290

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 79, 130, 146, 158, 325, 365, 395, 650, 730, 790, 949, 1027, 1825, 1898, 1975, 2054, 3650, 3950, 4745, 5135, 5767, 9490, 10270, 11534, 23725, 25675, 28835, 47450, 51350, 57670, 74971, 144175, 149942, 288350, 374855, 749710, 1874275, 3748550]

約数ペア:

[(1, 3748550), (2, 1874275), (5, 749710), (10, 374855), (13, 288350), (25, 149942), (26, 144175), (50, 74971), (65, 57670), (73, 51350), (79, 47450), (130, 28835), (146, 25675), (158, 23725), (325, 11534), (365, 10270), (395, 9490), (650, 5767), (730, 5135), (790, 4745), (949, 3950), (1027, 3650), (1825, 2054), (1898, 1975)]