31415672075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 43067481600

約数和(自身を除く): 11651809525

約数列:

[1, 5, 19, 25, 43, 95, 103, 109, 137, 215, 475, 515, 545, 685, 817, 1075, 1957, 2071, 2575, 2603, 2725, 3425, 4085, 4429, 4687, 5891, 9785, 10355, 11227, 13015, 14111, 14933, 20425, 22145, 23435, 29455, 48925, 51775, 56135, 65075, 70555, 74665, 84151, 89053, 110725, 111929, 117175, 147275, 213313, 268109, 280675, 283727, 352775, 373325, 420755, 445265, 482761, 559645, 606773, 642119, 1066565, 1340545, 1418635, 1538099, 2103775, 2226325, 2413805, 2798225, 3033865, 3210595, 5332825, 6702725, 7093175, 7690495, 9172459, 11528687, 12069025, 12200261, 15169325, 16052975, 29223881, 38452475, 45862295, 57643435, 61001305, 66138257, 146119405, 229311475, 288217175, 305006525, 330691285, 730597025, 1256626883, 1653456425, 6283134415, 31415672075]

約数ペア:

[(1, 31415672075), (5, 6283134415), (19, 1653456425), (25, 1256626883), (43, 730597025), (95, 330691285), (103, 305006525), (109, 288217175), (137, 229311475), (215, 146119405), (475, 66138257), (515, 61001305), (545, 57643435), (685, 45862295), (817, 38452475), (1075, 29223881), (1957, 16052975), (2071, 15169325), (2575, 12200261), (2603, 12069025), (2725, 11528687), (3425, 9172459), (4085, 7690495), (4429, 7093175), (4687, 6702725), (5891, 5332825), (9785, 3210595), (10355, 3033865), (11227, 2798225), (13015, 2413805), (14111, 2226325), (14933, 2103775), (20425, 1538099), (22145, 1418635), (23435, 1340545), (29455, 1066565), (48925, 642119), (51775, 606773), (56135, 559645), (65075, 482761), (70555, 445265), (74665, 420755), (84151, 373325), (89053, 352775), (110725, 283727), (111929, 280675), (117175, 268109), (147275, 213313)]