388639040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:592

約数の個数: 112

約数和(自身を含む): 987552000

約数和(自身を除く): 598912960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 199, 272, 320, 340, 359, 398, 544, 680, 718, 796, 995, 1088, 1360, 1436, 1592, 1795, 1990, 2720, 2872, 3184, 3383, 3590, 3980, 5440, 5744, 6103, 6368, 6766, 7180, 7960, 11488, 12206, 12736, 13532, 14360, 15920, 16915, 22976, 24412, 27064, 28720, 30515, 31840, 33830, 48824, 54128, 57440, 61030, 63680, 67660, 71441, 97648, 108256, 114880, 122060, 135320, 142882, 195296, 216512, 244120, 270640, 285764, 357205, 390592, 488240, 541280, 571528, 714410, 976480, 1082560, 1143056, 1214497, 1428820, 1952960, 2286112, 2428994, 2857640, 4572224, 4857988, 5715280, 6072485, 9715976, 11430560, 12144970, 19431952, 22861120, 24289940, 38863904, 48579880, 77727808, 97159760, 194319520, 388639040]

約数ペア:

[(1, 388639040), (2, 194319520), (4, 97159760), (5, 77727808), (8, 48579880), (10, 38863904), (16, 24289940), (17, 22861120), (20, 19431952), (32, 12144970), (34, 11430560), (40, 9715976), (64, 6072485), (68, 5715280), (80, 4857988), (85, 4572224), (136, 2857640), (160, 2428994), (170, 2286112), (199, 1952960), (272, 1428820), (320, 1214497), (340, 1143056), (359, 1082560), (398, 976480), (544, 714410), (680, 571528), (718, 541280), (796, 488240), (995, 390592), (1088, 357205), (1360, 285764), (1436, 270640), (1592, 244120), (1795, 216512), (1990, 195296), (2720, 142882), (2872, 135320), (3184, 122060), (3383, 114880), (3590, 108256), (3980, 97648), (5440, 71441), (5744, 67660), (6103, 63680), (6368, 61030), (6766, 57440), (7180, 54128), (7960, 48824), (11488, 33830), (12206, 31840), (12736, 30515), (13532, 28720), (14360, 27064), (15920, 24412), (16915, 22976)]