289291520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 803537280

約数和(自身を除く): 514245760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 256, 280, 320, 332, 389, 415, 448, 560, 581, 640, 664, 778, 830, 896, 1120, 1162, 1280, 1328, 1556, 1660, 1792, 1945, 2240, 2324, 2656, 2723, 2905, 3112, 3320, 3890, 4480, 4648, 5312, 5446, 5810, 6224, 6640, 7780, 8960, 9296, 10624, 10892, 11620, 12448, 13280, 13615, 15560, 18592, 21248, 21784, 23240, 24896, 26560, 27230, 31120, 32287, 37184, 43568, 46480, 49792, 53120, 54460, 62240, 64574, 74368, 87136, 92960, 99584, 106240, 108920, 124480, 129148, 148736, 161435, 174272, 185920, 217840, 226009, 248960, 258296, 322870, 348544, 371840, 435680, 452018, 497920, 516592, 645740, 697088, 743680, 871360, 904036, 1033184, 1130045, 1291480, 1742720, 1808072, 2066368, 2260090, 2582960, 3485440, 3616144, 4132736, 4520180, 5165920, 7232288, 8265472, 9040360, 10331840, 14464576, 18080720, 20663680, 28929152, 36161440, 41327360, 57858304, 72322880, 144645760, 289291520]

約数ペア:

[(1, 289291520), (2, 144645760), (4, 72322880), (5, 57858304), (7, 41327360), (8, 36161440), (10, 28929152), (14, 20663680), (16, 18080720), (20, 14464576), (28, 10331840), (32, 9040360), (35, 8265472), (40, 7232288), (56, 5165920), (64, 4520180), (70, 4132736), (80, 3616144), (83, 3485440), (112, 2582960), (128, 2260090), (140, 2066368), (160, 1808072), (166, 1742720), (224, 1291480), (256, 1130045), (280, 1033184), (320, 904036), (332, 871360), (389, 743680), (415, 697088), (448, 645740), (560, 516592), (581, 497920), (640, 452018), (664, 435680), (778, 371840), (830, 348544), (896, 322870), (1120, 258296), (1162, 248960), (1280, 226009), (1328, 217840), (1556, 185920), (1660, 174272), (1792, 161435), (1945, 148736), (2240, 129148), (2324, 124480), (2656, 108920), (2723, 106240), (2905, 99584), (3112, 92960), (3320, 87136), (3890, 74368), (4480, 64574), (4648, 62240), (5312, 54460), (5446, 53120), (5810, 49792), (6224, 46480), (6640, 43568), (7780, 37184), (8960, 32287), (9296, 31120), (10624, 27230), (10892, 26560), (11620, 24896), (12448, 23240), (13280, 21784), (13615, 21248), (15560, 18592)]