788995840

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 2026503360

約数和(自身を除く): 1237507520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 101, 128, 136, 160, 170, 202, 256, 272, 320, 340, 359, 404, 505, 544, 640, 680, 718, 808, 1010, 1088, 1280, 1360, 1436, 1616, 1717, 1795, 2020, 2176, 2720, 2872, 3232, 3434, 3590, 4040, 4352, 5440, 5744, 6103, 6464, 6868, 7180, 8080, 8585, 10880, 11488, 12206, 12928, 13736, 14360, 16160, 17170, 21760, 22976, 24412, 25856, 27472, 28720, 30515, 32320, 34340, 36259, 45952, 48824, 54944, 57440, 61030, 64640, 68680, 72518, 91904, 97648, 109888, 114880, 122060, 129280, 137360, 145036, 181295, 195296, 219776, 229760, 244120, 274720, 290072, 362590, 390592, 439552, 459520, 488240, 549440, 580144, 616403, 725180, 781184, 976480, 1098880, 1160288, 1232806, 1450360, 1562368, 1952960, 2197760, 2320576, 2465612, 2900720, 3082015, 3905920, 4641152, 4931224, 5801440, 6164030, 7811840, 9282304, 9862448, 11602880, 12328060, 19724896, 23205760, 24656120, 39449792, 46411520, 49312240, 78899584, 98624480, 157799168, 197248960, 394497920, 788995840]

約数ペア:

[(1, 788995840), (2, 394497920), (4, 197248960), (5, 157799168), (8, 98624480), (10, 78899584), (16, 49312240), (17, 46411520), (20, 39449792), (32, 24656120), (34, 23205760), (40, 19724896), (64, 12328060), (68, 11602880), (80, 9862448), (85, 9282304), (101, 7811840), (128, 6164030), (136, 5801440), (160, 4931224), (170, 4641152), (202, 3905920), (256, 3082015), (272, 2900720), (320, 2465612), (340, 2320576), (359, 2197760), (404, 1952960), (505, 1562368), (544, 1450360), (640, 1232806), (680, 1160288), (718, 1098880), (808, 976480), (1010, 781184), (1088, 725180), (1280, 616403), (1360, 580144), (1436, 549440), (1616, 488240), (1717, 459520), (1795, 439552), (2020, 390592), (2176, 362590), (2720, 290072), (2872, 274720), (3232, 244120), (3434, 229760), (3590, 219776), (4040, 195296), (4352, 181295), (5440, 145036), (5744, 137360), (6103, 129280), (6464, 122060), (6868, 114880), (7180, 109888), (8080, 97648), (8585, 91904), (10880, 72518), (11488, 68680), (12206, 64640), (12928, 61030), (13736, 57440), (14360, 54944), (16160, 48824), (17170, 45952), (21760, 36259), (22976, 34340), (24412, 32320), (25856, 30515), (27472, 28720)]