393223870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:769

約数の個数: 64

約数和(自身を含む): 799787520

約数和(自身を除く): 406563650

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 347, 379, 598, 694, 758, 1495, 1735, 1895, 2990, 3470, 3790, 4511, 4927, 7981, 8717, 9022, 9854, 15962, 17434, 22555, 24635, 39905, 43585, 45110, 49270, 79810, 87170, 103753, 113321, 131513, 207506, 226642, 263026, 518765, 566605, 657565, 1037530, 1133210, 1315130, 1709669, 3024799, 3419338, 6049598, 8548345, 15123995, 17096690, 30247990, 39322387, 78644774, 196611935, 393223870]

約数ペア:

[(1, 393223870), (2, 196611935), (5, 78644774), (10, 39322387), (13, 30247990), (23, 17096690), (26, 15123995), (46, 8548345), (65, 6049598), (115, 3419338), (130, 3024799), (230, 1709669), (299, 1315130), (347, 1133210), (379, 1037530), (598, 657565), (694, 566605), (758, 518765), (1495, 263026), (1735, 226642), (1895, 207506), (2990, 131513), (3470, 113321), (3790, 103753), (4511, 87170), (4927, 79810), (7981, 49270), (8717, 45110), (9022, 43585), (9854, 39905), (15962, 24635), (17434, 22555)]