221342800

素因数分解:

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

素因数の和:546

約数の個数: 180

約数和(自身を含む): 646806816

約数和(自身を除く): 425464016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 80, 92, 98, 100, 112, 115, 140, 161, 175, 184, 196, 200, 230, 245, 280, 322, 350, 368, 392, 400, 460, 490, 491, 560, 575, 644, 700, 784, 805, 920, 980, 982, 1127, 1150, 1225, 1288, 1400, 1610, 1840, 1960, 1964, 2254, 2300, 2450, 2455, 2576, 2800, 3220, 3437, 3920, 3928, 4025, 4508, 4600, 4900, 4910, 5635, 6440, 6874, 7856, 8050, 9016, 9200, 9800, 9820, 11270, 11293, 12275, 12880, 13748, 16100, 17185, 18032, 19600, 19640, 22540, 22586, 24059, 24550, 27496, 28175, 32200, 34370, 39280, 45080, 45172, 48118, 49100, 54992, 56350, 56465, 64400, 68740, 79051, 85925, 90160, 90344, 96236, 98200, 112700, 112930, 120295, 137480, 158102, 171850, 180688, 192472, 196400, 225400, 225860, 240590, 274960, 282325, 316204, 343700, 384944, 395255, 450800, 451720, 481180, 553357, 564650, 601475, 632408, 687400, 790510, 903440, 962360, 1106714, 1129300, 1202950, 1264816, 1374800, 1581020, 1924720, 1976275, 2213428, 2258600, 2405900, 2766785, 3162040, 3952550, 4426856, 4517200, 4811800, 5533570, 6324080, 7905100, 8853712, 9623600, 11067140, 13833925, 15810200, 22134280, 27667850, 31620400, 44268560, 55335700, 110671400, 221342800]

約数ペア:

[(1, 221342800), (2, 110671400), (4, 55335700), (5, 44268560), (7, 31620400), (8, 27667850), (10, 22134280), (14, 15810200), (16, 13833925), (20, 11067140), (23, 9623600), (25, 8853712), (28, 7905100), (35, 6324080), (40, 5533570), (46, 4811800), (49, 4517200), (50, 4426856), (56, 3952550), (70, 3162040), (80, 2766785), (92, 2405900), (98, 2258600), (100, 2213428), (112, 1976275), (115, 1924720), (140, 1581020), (161, 1374800), (175, 1264816), (184, 1202950), (196, 1129300), (200, 1106714), (230, 962360), (245, 903440), (280, 790510), (322, 687400), (350, 632408), (368, 601475), (392, 564650), (400, 553357), (460, 481180), (490, 451720), (491, 450800), (560, 395255), (575, 384944), (644, 343700), (700, 316204), (784, 282325), (805, 274960), (920, 240590), (980, 225860), (982, 225400), (1127, 196400), (1150, 192472), (1225, 180688), (1288, 171850), (1400, 158102), (1610, 137480), (1840, 120295), (1960, 112930), (1964, 112700), (2254, 98200), (2300, 96236), (2450, 90344), (2455, 90160), (2576, 85925), (2800, 79051), (3220, 68740), (3437, 64400), (3920, 56465), (3928, 56350), (4025, 54992), (4508, 49100), (4600, 48118), (4900, 45172), (4910, 45080), (5635, 39280), (6440, 34370), (6874, 32200), (7856, 28175), (8050, 27496), (9016, 24550), (9200, 24059), (9800, 22586), (9820, 22540), (11270, 19640), (11293, 19600), (12275, 18032), (12880, 17185), (13748, 16100)]