121556890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 280264320

約数和(自身を除く): 158707430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 139, 155, 182, 217, 278, 310, 403, 434, 455, 695, 806, 910, 961, 973, 1085, 1390, 1807, 1922, 1946, 2015, 2170, 2821, 3614, 4030, 4309, 4805, 4865, 5642, 6727, 8618, 9035, 9610, 9730, 12493, 12649, 13454, 14105, 18070, 21545, 24986, 25298, 28210, 30163, 33635, 43090, 56017, 60326, 62465, 63245, 67270, 87451, 112034, 124930, 126490, 133579, 150815, 174902, 267158, 280085, 301630, 392119, 437255, 560170, 667895, 784238, 874510, 935053, 1335790, 1736527, 1870106, 1960595, 3473054, 3921190, 4675265, 8682635, 9350530, 12155689, 17365270, 24311378, 60778445, 121556890]

約数ペア:

[(1, 121556890), (2, 60778445), (5, 24311378), (7, 17365270), (10, 12155689), (13, 9350530), (14, 8682635), (26, 4675265), (31, 3921190), (35, 3473054), (62, 1960595), (65, 1870106), (70, 1736527), (91, 1335790), (130, 935053), (139, 874510), (155, 784238), (182, 667895), (217, 560170), (278, 437255), (310, 392119), (403, 301630), (434, 280085), (455, 267158), (695, 174902), (806, 150815), (910, 133579), (961, 126490), (973, 124930), (1085, 112034), (1390, 87451), (1807, 67270), (1922, 63245), (1946, 62465), (2015, 60326), (2170, 56017), (2821, 43090), (3614, 33635), (4030, 30163), (4309, 28210), (4805, 25298), (4865, 24986), (5642, 21545), (6727, 18070), (8618, 14105), (9035, 13454), (9610, 12649), (9730, 12493)]