31620400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 90779904

約数和(自身を除く): 59159504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 491, 560, 575, 644, 700, 805, 920, 982, 1150, 1288, 1400, 1610, 1840, 1964, 2300, 2455, 2576, 2800, 3220, 3437, 3928, 4025, 4600, 4910, 6440, 6874, 7856, 8050, 9200, 9820, 11293, 12275, 12880, 13748, 16100, 17185, 19640, 22586, 24550, 27496, 32200, 34370, 39280, 45172, 49100, 54992, 56465, 64400, 68740, 79051, 85925, 90344, 98200, 112930, 137480, 158102, 171850, 180688, 196400, 225860, 274960, 282325, 316204, 343700, 395255, 451720, 564650, 632408, 687400, 790510, 903440, 1129300, 1264816, 1374800, 1581020, 1976275, 2258600, 3162040, 3952550, 4517200, 6324080, 7905100, 15810200, 31620400]

約数ペア:

[(1, 31620400), (2, 15810200), (4, 7905100), (5, 6324080), (7, 4517200), (8, 3952550), (10, 3162040), (14, 2258600), (16, 1976275), (20, 1581020), (23, 1374800), (25, 1264816), (28, 1129300), (35, 903440), (40, 790510), (46, 687400), (50, 632408), (56, 564650), (70, 451720), (80, 395255), (92, 343700), (100, 316204), (112, 282325), (115, 274960), (140, 225860), (161, 196400), (175, 180688), (184, 171850), (200, 158102), (230, 137480), (280, 112930), (322, 98200), (350, 90344), (368, 85925), (400, 79051), (460, 68740), (491, 64400), (560, 56465), (575, 54992), (644, 49100), (700, 45172), (805, 39280), (920, 34370), (982, 32200), (1150, 27496), (1288, 24550), (1400, 22586), (1610, 19640), (1840, 17185), (1964, 16100), (2300, 13748), (2455, 12880), (2576, 12275), (2800, 11293), (3220, 9820), (3437, 9200), (3928, 8050), (4025, 7856), (4600, 6874), (4910, 6440)]