248367620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{38447}}^1$

素因数の和:38492

約数の個数: 48

約数和(自身を含む): 581333760

約数和(自身を除く): 332966140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 38447, 76894, 153788, 192235, 384470, 653599, 730493, 768940, 1307198, 1460986, 2614396, 2921972, 3267995, 3652465, 6535990, 7304930, 12418381, 13071980, 14609860, 24836762, 49673524, 62091905, 124183810, 248367620]

約数ペア:

[(1, 248367620), (2, 124183810), (4, 62091905), (5, 49673524), (10, 24836762), (17, 14609860), (19, 13071980), (20, 12418381), (34, 7304930), (38, 6535990), (68, 3652465), (76, 3267995), (85, 2921972), (95, 2614396), (170, 1460986), (190, 1307198), (323, 768940), (340, 730493), (380, 653599), (646, 384470), (1292, 192235), (1615, 153788), (3230, 76894), (6460, 38447)]