421861055

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 683956224

約数和(自身を除く): 262095169

約数列:

[1, 5, 7, 11, 23, 35, 55, 61, 71, 77, 115, 121, 161, 253, 305, 355, 385, 427, 497, 605, 671, 781, 805, 847, 1265, 1403, 1633, 1771, 2135, 2485, 2783, 3355, 3905, 4235, 4331, 4697, 5467, 7015, 7381, 8165, 8591, 8855, 9821, 11431, 13915, 15433, 17963, 19481, 21655, 23485, 27335, 30317, 36905, 42955, 47641, 49105, 51667, 57155, 60137, 77165, 89815, 97405, 99613, 108031, 125741, 151585, 169763, 197593, 238205, 258335, 300685, 333487, 498065, 524051, 540155, 628705, 697291, 848815, 987965, 1095743, 1188341, 1383151, 1667435, 2620255, 3486455, 3668357, 5478715, 5941705, 6915755, 7670201, 12053173, 18341785, 38351005, 60265865, 84372211, 421861055]

約数ペア:

[(1, 421861055), (5, 84372211), (7, 60265865), (11, 38351005), (23, 18341785), (35, 12053173), (55, 7670201), (61, 6915755), (71, 5941705), (77, 5478715), (115, 3668357), (121, 3486455), (161, 2620255), (253, 1667435), (305, 1383151), (355, 1188341), (385, 1095743), (427, 987965), (497, 848815), (605, 697291), (671, 628705), (781, 540155), (805, 524051), (847, 498065), (1265, 333487), (1403, 300685), (1633, 258335), (1771, 238205), (2135, 197593), (2485, 169763), (2783, 151585), (3355, 125741), (3905, 108031), (4235, 99613), (4331, 97405), (4697, 89815), (5467, 77165), (7015, 60137), (7381, 57155), (8165, 51667), (8591, 49105), (8855, 47641), (9821, 42955), (11431, 36905), (13915, 30317), (15433, 27335), (17963, 23485), (19481, 21655)]