510340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 1209600

約数和(自身を除く): 699260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 79, 85, 95, 158, 170, 190, 316, 323, 340, 380, 395, 646, 790, 1292, 1343, 1501, 1580, 1615, 2686, 3002, 3230, 5372, 6004, 6460, 6715, 7505, 13430, 15010, 25517, 26860, 30020, 51034, 102068, 127585, 255170, 510340]

約数ペア:

[(1, 510340), (2, 255170), (4, 127585), (5, 102068), (10, 51034), (17, 30020), (19, 26860), (20, 25517), (34, 15010), (38, 13430), (68, 7505), (76, 6715), (79, 6460), (85, 6004), (95, 5372), (158, 3230), (170, 3002), (190, 2686), (316, 1615), (323, 1580), (340, 1501), (380, 1343), (395, 1292), (646, 790)]