211357840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 503092800

約数和(自身を除く): 291734960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 139, 166, 229, 278, 332, 415, 458, 556, 664, 695, 830, 916, 1112, 1145, 1328, 1390, 1660, 1832, 2224, 2290, 2780, 3320, 3664, 4580, 5560, 6640, 9160, 11120, 11537, 18320, 19007, 23074, 31831, 38014, 46148, 57685, 63662, 76028, 92296, 95035, 115370, 127324, 152056, 159155, 184592, 190070, 230740, 254648, 304112, 318310, 380140, 461480, 509296, 636620, 760280, 922960, 1273240, 1520560, 2546480, 2641973, 5283946, 10567892, 13209865, 21135784, 26419730, 42271568, 52839460, 105678920, 211357840]

約数ペア:

[(1, 211357840), (2, 105678920), (4, 52839460), (5, 42271568), (8, 26419730), (10, 21135784), (16, 13209865), (20, 10567892), (40, 5283946), (80, 2641973), (83, 2546480), (139, 1520560), (166, 1273240), (229, 922960), (278, 760280), (332, 636620), (415, 509296), (458, 461480), (556, 380140), (664, 318310), (695, 304112), (830, 254648), (916, 230740), (1112, 190070), (1145, 184592), (1328, 159155), (1390, 152056), (1660, 127324), (1832, 115370), (2224, 95035), (2290, 92296), (2780, 76028), (3320, 63662), (3664, 57685), (4580, 46148), (5560, 38014), (6640, 31831), (9160, 23074), (11120, 19007), (11537, 18320)]