278721820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 664731648

約数和(自身を除く): 386009828

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 127, 130, 230, 254, 260, 299, 367, 460, 508, 598, 635, 734, 1196, 1270, 1468, 1495, 1651, 1835, 2540, 2921, 2990, 3302, 3670, 4771, 5842, 5980, 6604, 7340, 8255, 8441, 9542, 11684, 14605, 16510, 16882, 19084, 23855, 29210, 33020, 33764, 37973, 42205, 46609, 47710, 58420, 75946, 84410, 93218, 95420, 109733, 151892, 168820, 186436, 189865, 219466, 233045, 379730, 438932, 466090, 548665, 605917, 759460, 932180, 1072007, 1097330, 1211834, 2144014, 2194660, 2423668, 3029585, 4288028, 5360035, 6059170, 10720070, 12118340, 13936091, 21440140, 27872182, 55744364, 69680455, 139360910, 278721820]

約数ペア:

[(1, 278721820), (2, 139360910), (4, 69680455), (5, 55744364), (10, 27872182), (13, 21440140), (20, 13936091), (23, 12118340), (26, 10720070), (46, 6059170), (52, 5360035), (65, 4288028), (92, 3029585), (115, 2423668), (127, 2194660), (130, 2144014), (230, 1211834), (254, 1097330), (260, 1072007), (299, 932180), (367, 759460), (460, 605917), (508, 548665), (598, 466090), (635, 438932), (734, 379730), (1196, 233045), (1270, 219466), (1468, 189865), (1495, 186436), (1651, 168820), (1835, 151892), (2540, 109733), (2921, 95420), (2990, 93218), (3302, 84410), (3670, 75946), (4771, 58420), (5842, 47710), (5980, 46609), (6604, 42205), (7340, 37973), (8255, 33764), (8441, 33020), (9542, 29210), (11684, 23855), (14605, 19084), (16510, 16882)]