31918600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{3257}}^1$

素因数の和:3287

約数の個数: 72

約数和(自身を含む): 86353290

約数和(自身を除く): 54434690

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 3257, 4900, 6514, 9800, 13028, 16285, 22799, 26056, 32570, 45598, 65140, 81425, 91196, 113995, 130280, 159593, 162850, 182392, 227990, 319186, 325700, 455980, 569975, 638372, 651400, 797965, 911960, 1139950, 1276744, 1595930, 2279900, 3191860, 3989825, 4559800, 6383720, 7979650, 15959300, 31918600]

約数ペア:

[(1, 31918600), (2, 15959300), (4, 7979650), (5, 6383720), (7, 4559800), (8, 3989825), (10, 3191860), (14, 2279900), (20, 1595930), (25, 1276744), (28, 1139950), (35, 911960), (40, 797965), (49, 651400), (50, 638372), (56, 569975), (70, 455980), (98, 325700), (100, 319186), (140, 227990), (175, 182392), (196, 162850), (200, 159593), (245, 130280), (280, 113995), (350, 91196), (392, 81425), (490, 65140), (700, 45598), (980, 32570), (1225, 26056), (1400, 22799), (1960, 16285), (2450, 13028), (3257, 9800), (4900, 6514)]