642684770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 1473970176

約数和(自身を除く): 831285406

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 67, 70, 83, 91, 127, 130, 134, 166, 182, 254, 335, 415, 455, 469, 581, 635, 670, 830, 871, 889, 910, 938, 1079, 1162, 1270, 1651, 1742, 1778, 2158, 2345, 2905, 3302, 4355, 4445, 4690, 5395, 5561, 5810, 6097, 7553, 8255, 8509, 8710, 8890, 10541, 10790, 11122, 11557, 12194, 15106, 16510, 17018, 21082, 23114, 27805, 30485, 37765, 38927, 42545, 52705, 55610, 57785, 59563, 60970, 72293, 73787, 75530, 77854, 85090, 105410, 110617, 115570, 119126, 137033, 144586, 147574, 194635, 221234, 274066, 297815, 361465, 368935, 389270, 506051, 553085, 595630, 685165, 706247, 722930, 737870, 774319, 959231, 1012102, 1106170, 1370330, 1412494, 1548638, 1918462, 2530255, 3531235, 3871595, 4796155, 4943729, 5060510, 7062470, 7743190, 9181211, 9592310, 9887458, 18362422, 24718645, 45906055, 49437290, 64268477, 91812110, 128536954, 321342385, 642684770]

約数ペア:

[(1, 642684770), (2, 321342385), (5, 128536954), (7, 91812110), (10, 64268477), (13, 49437290), (14, 45906055), (26, 24718645), (35, 18362422), (65, 9887458), (67, 9592310), (70, 9181211), (83, 7743190), (91, 7062470), (127, 5060510), (130, 4943729), (134, 4796155), (166, 3871595), (182, 3531235), (254, 2530255), (335, 1918462), (415, 1548638), (455, 1412494), (469, 1370330), (581, 1106170), (635, 1012102), (670, 959231), (830, 774319), (871, 737870), (889, 722930), (910, 706247), (938, 685165), (1079, 595630), (1162, 553085), (1270, 506051), (1651, 389270), (1742, 368935), (1778, 361465), (2158, 297815), (2345, 274066), (2905, 221234), (3302, 194635), (4355, 147574), (4445, 144586), (4690, 137033), (5395, 119126), (5561, 115570), (5810, 110617), (6097, 105410), (7553, 85090), (8255, 77854), (8509, 75530), (8710, 73787), (8890, 72293), (10541, 60970), (10790, 59563), (11122, 57785), (11557, 55610), (12194, 52705), (15106, 42545), (16510, 38927), (17018, 37765), (21082, 30485), (23114, 27805)]