308746908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{607}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 796723200

約数和(自身を除く): 487976292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 199, 213, 284, 398, 426, 597, 607, 639, 796, 852, 1194, 1214, 1278, 1791, 1821, 2388, 2428, 2556, 3582, 3642, 5463, 7164, 7284, 10926, 14129, 21852, 28258, 42387, 43097, 56516, 84774, 86194, 120793, 127161, 129291, 169548, 172388, 241586, 254322, 258582, 362379, 387873, 483172, 508644, 517164, 724758, 775746, 1087137, 1449516, 1551492, 2174274, 4348548, 8576303, 17152606, 25728909, 34305212, 51457818, 77186727, 102915636, 154373454, 308746908]

約数ペア:

[(1, 308746908), (2, 154373454), (3, 102915636), (4, 77186727), (6, 51457818), (9, 34305212), (12, 25728909), (18, 17152606), (36, 8576303), (71, 4348548), (142, 2174274), (199, 1551492), (213, 1449516), (284, 1087137), (398, 775746), (426, 724758), (597, 517164), (607, 508644), (639, 483172), (796, 387873), (852, 362379), (1194, 258582), (1214, 254322), (1278, 241586), (1791, 172388), (1821, 169548), (2388, 129291), (2428, 127161), (2556, 120793), (3582, 86194), (3642, 84774), (5463, 56516), (7164, 43097), (7284, 42387), (10926, 28258), (14129, 21852)]