209842100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 522633216

約数和(自身を除く): 312791116

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 41, 50, 52, 62, 65, 82, 100, 124, 127, 130, 155, 164, 205, 254, 260, 310, 325, 403, 410, 508, 533, 620, 635, 650, 775, 806, 820, 1025, 1066, 1270, 1271, 1300, 1550, 1612, 1651, 2015, 2050, 2132, 2540, 2542, 2665, 3100, 3175, 3302, 3937, 4030, 4100, 5084, 5207, 5330, 6350, 6355, 6604, 7874, 8060, 8255, 10075, 10414, 10660, 12700, 12710, 13325, 15748, 16510, 16523, 19685, 20150, 20828, 25420, 26035, 26650, 31775, 33020, 33046, 39370, 40300, 41275, 51181, 52070, 53300, 63550, 66092, 67691, 78740, 82550, 82615, 98425, 102362, 104140, 127100, 130175, 135382, 161417, 165100, 165230, 196850, 204724, 255905, 260350, 270764, 322834, 330460, 338455, 393700, 413075, 511810, 520700, 645668, 676910, 807085, 826150, 1023620, 1279525, 1353820, 1614170, 1652300, 1692275, 2098421, 2559050, 3228340, 3384550, 4035425, 4196842, 5118100, 6769100, 8070850, 8393684, 10492105, 16141700, 20984210, 41968420, 52460525, 104921050, 209842100]

約数ペア:

[(1, 209842100), (2, 104921050), (4, 52460525), (5, 41968420), (10, 20984210), (13, 16141700), (20, 10492105), (25, 8393684), (26, 8070850), (31, 6769100), (41, 5118100), (50, 4196842), (52, 4035425), (62, 3384550), (65, 3228340), (82, 2559050), (100, 2098421), (124, 1692275), (127, 1652300), (130, 1614170), (155, 1353820), (164, 1279525), (205, 1023620), (254, 826150), (260, 807085), (310, 676910), (325, 645668), (403, 520700), (410, 511810), (508, 413075), (533, 393700), (620, 338455), (635, 330460), (650, 322834), (775, 270764), (806, 260350), (820, 255905), (1025, 204724), (1066, 196850), (1270, 165230), (1271, 165100), (1300, 161417), (1550, 135382), (1612, 130175), (1651, 127100), (2015, 104140), (2050, 102362), (2132, 98425), (2540, 82615), (2542, 82550), (2665, 78740), (3100, 67691), (3175, 66092), (3302, 63550), (3937, 53300), (4030, 52070), (4100, 51181), (5084, 41275), (5207, 40300), (5330, 39370), (6350, 33046), (6355, 33020), (6604, 31775), (7874, 26650), (8060, 26035), (8255, 25420), (10075, 20828), (10414, 20150), (10660, 19685), (12700, 16523), (12710, 16510), (13325, 15748)]