135980390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21347}}^1$

素因数の和:21381

約数の個数: 48

約数和(自身を含む): 306642672

約数和(自身を除く): 170662282

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 21347, 42694, 106735, 149429, 213470, 277511, 298858, 555022, 747145, 1046003, 1387555, 1494290, 1942577, 2092006, 2775110, 3885154, 5230015, 9712885, 10460030, 13598039, 19425770, 27196078, 67990195, 135980390]

約数ペア:

[(1, 135980390), (2, 67990195), (5, 27196078), (7, 19425770), (10, 13598039), (13, 10460030), (14, 9712885), (26, 5230015), (35, 3885154), (49, 2775110), (65, 2092006), (70, 1942577), (91, 1494290), (98, 1387555), (130, 1046003), (182, 747145), (245, 555022), (455, 298858), (490, 277511), (637, 213470), (910, 149429), (1274, 106735), (3185, 42694), (6370, 21347)]