798834260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{1993}}^1$

素因数の和:2425

約数の個数: 72

約数和(自身を含む): 1957190760

約数和(自身を除く): 1158356500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 409, 490, 818, 980, 1636, 1993, 2045, 2863, 3986, 4090, 5726, 7972, 8180, 9965, 11452, 13951, 14315, 19930, 20041, 27902, 28630, 39860, 40082, 55804, 57260, 69755, 80164, 97657, 100205, 139510, 195314, 200410, 279020, 390628, 400820, 488285, 815137, 976570, 1630274, 1953140, 3260548, 4075685, 5705959, 8151370, 11411918, 16302740, 22823836, 28529795, 39941713, 57059590, 79883426, 114119180, 159766852, 199708565, 399417130, 798834260]

約数ペア:

[(1, 798834260), (2, 399417130), (4, 199708565), (5, 159766852), (7, 114119180), (10, 79883426), (14, 57059590), (20, 39941713), (28, 28529795), (35, 22823836), (49, 16302740), (70, 11411918), (98, 8151370), (140, 5705959), (196, 4075685), (245, 3260548), (409, 1953140), (490, 1630274), (818, 976570), (980, 815137), (1636, 488285), (1993, 400820), (2045, 390628), (2863, 279020), (3986, 200410), (4090, 195314), (5726, 139510), (7972, 100205), (8180, 97657), (9965, 80164), (11452, 69755), (13951, 57260), (14315, 55804), (19930, 40082), (20041, 39860), (27902, 28630)]