210855920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12611}}^1$

素因数の和:12654

約数の個数: 80

約数和(自身を含む): 562999680

約数和(自身を除く): 352143760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 12611, 16720, 25222, 50444, 63055, 100888, 126110, 138721, 201776, 239609, 252220, 277442, 479218, 504440, 554884, 693605, 958436, 1008880, 1109768, 1198045, 1387210, 1916872, 2219536, 2396090, 2635699, 2774420, 3833744, 4792180, 5271398, 5548840, 9584360, 10542796, 11097680, 13178495, 19168720, 21085592, 26356990, 42171184, 52713980, 105427960, 210855920]

約数ペア:

[(1, 210855920), (2, 105427960), (4, 52713980), (5, 42171184), (8, 26356990), (10, 21085592), (11, 19168720), (16, 13178495), (19, 11097680), (20, 10542796), (22, 9584360), (38, 5548840), (40, 5271398), (44, 4792180), (55, 3833744), (76, 2774420), (80, 2635699), (88, 2396090), (95, 2219536), (110, 1916872), (152, 1387210), (176, 1198045), (190, 1109768), (209, 1008880), (220, 958436), (304, 693605), (380, 554884), (418, 504440), (440, 479218), (760, 277442), (836, 252220), (880, 239609), (1045, 201776), (1520, 138721), (1672, 126110), (2090, 100888), (3344, 63055), (4180, 50444), (8360, 25222), (12611, 16720)]