138768800

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2058

約数の個数: 72

約数和(自身を含む): 342751500

約数和(自身を除く): 203982700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 445, 712, 800, 890, 1424, 1780, 1949, 2225, 2848, 3560, 3898, 4450, 7120, 7796, 8900, 9745, 14240, 15592, 17800, 19490, 31184, 35600, 38980, 48725, 62368, 71200, 77960, 97450, 155920, 173461, 194900, 311840, 346922, 389800, 693844, 779600, 867305, 1387688, 1559200, 1734610, 2775376, 3469220, 4336525, 5550752, 6938440, 8673050, 13876880, 17346100, 27753760, 34692200, 69384400, 138768800]

約数ペア:

[(1, 138768800), (2, 69384400), (4, 34692200), (5, 27753760), (8, 17346100), (10, 13876880), (16, 8673050), (20, 6938440), (25, 5550752), (32, 4336525), (40, 3469220), (50, 2775376), (80, 1734610), (89, 1559200), (100, 1387688), (160, 867305), (178, 779600), (200, 693844), (356, 389800), (400, 346922), (445, 311840), (712, 194900), (800, 173461), (890, 155920), (1424, 97450), (1780, 77960), (1949, 71200), (2225, 62368), (2848, 48725), (3560, 38980), (3898, 35600), (4450, 31184), (7120, 19490), (7796, 17800), (8900, 15592), (9745, 14240)]