351185480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{947}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 808151040

約数和(自身を除く): 456965560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 127, 146, 254, 292, 365, 508, 584, 635, 730, 947, 1016, 1270, 1460, 1894, 2540, 2920, 3788, 4735, 5080, 7576, 9271, 9470, 18542, 18940, 37084, 37880, 46355, 69131, 74168, 92710, 120269, 138262, 185420, 240538, 276524, 345655, 370840, 481076, 553048, 601345, 691310, 962152, 1202690, 1382620, 2405380, 2765240, 4810760, 8779637, 17559274, 35118548, 43898185, 70237096, 87796370, 175592740, 351185480]

約数ペア:

[(1, 351185480), (2, 175592740), (4, 87796370), (5, 70237096), (8, 43898185), (10, 35118548), (20, 17559274), (40, 8779637), (73, 4810760), (127, 2765240), (146, 2405380), (254, 1382620), (292, 1202690), (365, 962152), (508, 691310), (584, 601345), (635, 553048), (730, 481076), (947, 370840), (1016, 345655), (1270, 276524), (1460, 240538), (1894, 185420), (2540, 138262), (2920, 120269), (3788, 92710), (4735, 74168), (5080, 69131), (7576, 46355), (9271, 37880), (9470, 37084), (18542, 18940)]