9879650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 21373632

約数和(自身を除く): 11493982

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 71, 110, 115, 121, 142, 230, 242, 253, 275, 355, 506, 550, 575, 605, 710, 781, 1150, 1210, 1265, 1562, 1633, 1775, 2530, 2783, 3025, 3266, 3550, 3905, 5566, 6050, 6325, 7810, 8165, 8591, 12650, 13915, 16330, 17182, 17963, 19525, 27830, 35926, 39050, 40825, 42955, 69575, 81650, 85910, 89815, 139150, 179630, 197593, 214775, 395186, 429550, 449075, 898150, 987965, 1975930, 4939825, 9879650]

約数ペア:

[(1, 9879650), (2, 4939825), (5, 1975930), (10, 987965), (11, 898150), (22, 449075), (23, 429550), (25, 395186), (46, 214775), (50, 197593), (55, 179630), (71, 139150), (110, 89815), (115, 85910), (121, 81650), (142, 69575), (230, 42955), (242, 40825), (253, 39050), (275, 35926), (355, 27830), (506, 19525), (550, 17963), (575, 17182), (605, 16330), (710, 13915), (781, 12650), (1150, 8591), (1210, 8165), (1265, 7810), (1562, 6325), (1633, 6050), (1775, 5566), (2530, 3905), (2783, 3550), (3025, 3266)]