31817100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 106937600

約数和(自身を除く): 75120500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 109, 139, 140, 150, 175, 210, 218, 278, 300, 327, 350, 417, 420, 436, 525, 545, 556, 654, 695, 700, 763, 834, 973, 1050, 1090, 1308, 1390, 1526, 1635, 1668, 1946, 2085, 2100, 2180, 2289, 2725, 2780, 2919, 3052, 3270, 3475, 3815, 3892, 4170, 4578, 4865, 5450, 5838, 6540, 6950, 7630, 8175, 8340, 9156, 9730, 10425, 10900, 11445, 11676, 13900, 14595, 15151, 15260, 16350, 19075, 19460, 20850, 22890, 24325, 29190, 30302, 32700, 38150, 41700, 45453, 45780, 48650, 57225, 58380, 60604, 72975, 75755, 76300, 90906, 97300, 106057, 114450, 145950, 151510, 181812, 212114, 227265, 228900, 291900, 303020, 318171, 378775, 424228, 454530, 530285, 636342, 757550, 909060, 1060570, 1136325, 1272684, 1515100, 1590855, 2121140, 2272650, 2651425, 3181710, 4545300, 5302850, 6363420, 7954275, 10605700, 15908550, 31817100]

約数ペア:

[(1, 31817100), (2, 15908550), (3, 10605700), (4, 7954275), (5, 6363420), (6, 5302850), (7, 4545300), (10, 3181710), (12, 2651425), (14, 2272650), (15, 2121140), (20, 1590855), (21, 1515100), (25, 1272684), (28, 1136325), (30, 1060570), (35, 909060), (42, 757550), (50, 636342), (60, 530285), (70, 454530), (75, 424228), (84, 378775), (100, 318171), (105, 303020), (109, 291900), (139, 228900), (140, 227265), (150, 212114), (175, 181812), (210, 151510), (218, 145950), (278, 114450), (300, 106057), (327, 97300), (350, 90906), (417, 76300), (420, 75755), (436, 72975), (525, 60604), (545, 58380), (556, 57225), (654, 48650), (695, 45780), (700, 45453), (763, 41700), (834, 38150), (973, 32700), (1050, 30302), (1090, 29190), (1308, 24325), (1390, 22890), (1526, 20850), (1635, 19460), (1668, 19075), (1946, 16350), (2085, 15260), (2100, 15151), (2180, 14595), (2289, 13900), (2725, 11676), (2780, 11445), (2919, 10900), (3052, 10425), (3270, 9730), (3475, 9156), (3815, 8340), (3892, 8175), (4170, 7630), (4578, 6950), (4865, 6540), (5450, 5838)]