217180640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:592

約数の個数: 96

約数和(自身を含む): 544320000

約数和(自身を除く): 327139360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 199, 304, 359, 380, 398, 608, 718, 760, 796, 995, 1436, 1520, 1592, 1795, 1990, 2872, 3040, 3184, 3590, 3781, 3980, 5744, 6368, 6821, 7180, 7562, 7960, 11488, 13642, 14360, 15124, 15920, 18905, 27284, 28720, 30248, 31840, 34105, 37810, 54568, 57440, 60496, 68210, 71441, 75620, 109136, 120992, 136420, 142882, 151240, 218272, 272840, 285764, 302480, 357205, 545680, 571528, 604960, 714410, 1091360, 1143056, 1357379, 1428820, 2286112, 2714758, 2857640, 5429516, 5715280, 6786895, 10859032, 11430560, 13573790, 21718064, 27147580, 43436128, 54295160, 108590320, 217180640]

約数ペア:

[(1, 217180640), (2, 108590320), (4, 54295160), (5, 43436128), (8, 27147580), (10, 21718064), (16, 13573790), (19, 11430560), (20, 10859032), (32, 6786895), (38, 5715280), (40, 5429516), (76, 2857640), (80, 2714758), (95, 2286112), (152, 1428820), (160, 1357379), (190, 1143056), (199, 1091360), (304, 714410), (359, 604960), (380, 571528), (398, 545680), (608, 357205), (718, 302480), (760, 285764), (796, 272840), (995, 218272), (1436, 151240), (1520, 142882), (1592, 136420), (1795, 120992), (1990, 109136), (2872, 75620), (3040, 71441), (3184, 68210), (3590, 60496), (3781, 57440), (3980, 54568), (5744, 37810), (6368, 34105), (6821, 31840), (7180, 30248), (7562, 28720), (7960, 27284), (11488, 18905), (13642, 15920), (14360, 15124)]