127229870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 250822656

約数和(自身を除く): 123592786

約数列:

[1, 2, 5, 10, 17, 34, 71, 83, 85, 127, 142, 166, 170, 254, 355, 415, 635, 710, 830, 1207, 1270, 1411, 2159, 2414, 2822, 4318, 5893, 6035, 7055, 9017, 10541, 10795, 11786, 12070, 14110, 18034, 21082, 21590, 29465, 45085, 52705, 58930, 90170, 100181, 105410, 153289, 179197, 200362, 306578, 358394, 500905, 748411, 766445, 895985, 1001810, 1496822, 1532890, 1791970, 3742055, 7484110, 12722987, 25445974, 63614935, 127229870]

約数ペア:

[(1, 127229870), (2, 63614935), (5, 25445974), (10, 12722987), (17, 7484110), (34, 3742055), (71, 1791970), (83, 1532890), (85, 1496822), (127, 1001810), (142, 895985), (166, 766445), (170, 748411), (254, 500905), (355, 358394), (415, 306578), (635, 200362), (710, 179197), (830, 153289), (1207, 105410), (1270, 100181), (1411, 90170), (2159, 58930), (2414, 52705), (2822, 45085), (4318, 29465), (5893, 21590), (6035, 21082), (7055, 18034), (9017, 14110), (10541, 12070), (10795, 11786)]