68688200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 191260080

約数和(自身を除く): 122571880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 49, 50, 56, 70, 86, 98, 100, 140, 163, 172, 175, 196, 200, 215, 245, 280, 301, 326, 344, 350, 392, 430, 490, 602, 652, 700, 815, 860, 980, 1075, 1141, 1204, 1225, 1304, 1400, 1505, 1630, 1720, 1960, 2107, 2150, 2282, 2408, 2450, 3010, 3260, 4075, 4214, 4300, 4564, 4900, 5705, 6020, 6520, 7009, 7525, 7987, 8150, 8428, 8600, 9128, 9800, 10535, 11410, 12040, 14018, 15050, 15974, 16300, 16856, 21070, 22820, 28036, 28525, 30100, 31948, 32600, 35045, 39935, 42140, 45640, 49063, 52675, 56072, 57050, 60200, 63896, 70090, 79870, 84280, 98126, 105350, 114100, 140180, 159740, 175225, 196252, 199675, 210700, 228200, 245315, 280360, 319480, 343441, 350450, 392504, 399350, 421400, 490630, 686882, 700900, 798700, 981260, 1226575, 1373764, 1401800, 1597400, 1717205, 1962520, 2453150, 2747528, 3434410, 4906300, 6868820, 8586025, 9812600, 13737640, 17172050, 34344100, 68688200]

約数ペア:

[(1, 68688200), (2, 34344100), (4, 17172050), (5, 13737640), (7, 9812600), (8, 8586025), (10, 6868820), (14, 4906300), (20, 3434410), (25, 2747528), (28, 2453150), (35, 1962520), (40, 1717205), (43, 1597400), (49, 1401800), (50, 1373764), (56, 1226575), (70, 981260), (86, 798700), (98, 700900), (100, 686882), (140, 490630), (163, 421400), (172, 399350), (175, 392504), (196, 350450), (200, 343441), (215, 319480), (245, 280360), (280, 245315), (301, 228200), (326, 210700), (344, 199675), (350, 196252), (392, 175225), (430, 159740), (490, 140180), (602, 114100), (652, 105350), (700, 98126), (815, 84280), (860, 79870), (980, 70090), (1075, 63896), (1141, 60200), (1204, 57050), (1225, 56072), (1304, 52675), (1400, 49063), (1505, 45640), (1630, 42140), (1720, 39935), (1960, 35045), (2107, 32600), (2150, 31948), (2282, 30100), (2408, 28525), (2450, 28036), (3010, 22820), (3260, 21070), (4075, 16856), (4214, 16300), (4300, 15974), (4564, 15050), (4900, 14018), (5705, 12040), (6020, 11410), (6520, 10535), (7009, 9800), (7525, 9128), (7987, 8600), (8150, 8428)]