214345520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 540870144

約数和(自身を除く): 326524624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 127, 136, 146, 170, 254, 272, 289, 292, 340, 365, 508, 578, 584, 635, 680, 730, 1016, 1156, 1168, 1241, 1270, 1360, 1445, 1460, 2032, 2159, 2312, 2482, 2540, 2890, 2920, 4318, 4624, 4964, 5080, 5780, 5840, 6205, 8636, 9271, 9928, 10160, 10795, 11560, 12410, 17272, 18542, 19856, 21097, 21590, 23120, 24820, 34544, 36703, 37084, 42194, 43180, 46355, 49640, 73406, 74168, 84388, 86360, 92710, 99280, 105485, 146812, 148336, 157607, 168776, 172720, 183515, 185420, 210970, 293624, 315214, 337552, 367030, 370840, 421940, 587248, 630428, 734060, 741680, 788035, 843880, 1260856, 1468120, 1576070, 1687760, 2521712, 2679319, 2936240, 3152140, 5358638, 6304280, 10717276, 12608560, 13396595, 21434552, 26793190, 42869104, 53586380, 107172760, 214345520]

約数ペア:

[(1, 214345520), (2, 107172760), (4, 53586380), (5, 42869104), (8, 26793190), (10, 21434552), (16, 13396595), (17, 12608560), (20, 10717276), (34, 6304280), (40, 5358638), (68, 3152140), (73, 2936240), (80, 2679319), (85, 2521712), (127, 1687760), (136, 1576070), (146, 1468120), (170, 1260856), (254, 843880), (272, 788035), (289, 741680), (292, 734060), (340, 630428), (365, 587248), (508, 421940), (578, 370840), (584, 367030), (635, 337552), (680, 315214), (730, 293624), (1016, 210970), (1156, 185420), (1168, 183515), (1241, 172720), (1270, 168776), (1360, 157607), (1445, 148336), (1460, 146812), (2032, 105485), (2159, 99280), (2312, 92710), (2482, 86360), (2540, 84388), (2890, 74168), (2920, 73406), (4318, 49640), (4624, 46355), (4964, 43180), (5080, 42194), (5780, 37084), (5840, 36703), (6205, 34544), (8636, 24820), (9271, 23120), (9928, 21590), (10160, 21097), (10795, 19856), (11560, 18542), (12410, 17272)]