421874908

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 966232960

約数和(自身を除く): 544358052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 109, 124, 182, 196, 217, 218, 343, 364, 403, 434, 436, 637, 686, 763, 806, 868, 1274, 1372, 1417, 1519, 1526, 1612, 2401, 2548, 2821, 2834, 3038, 3052, 3379, 4459, 4802, 5341, 5642, 5668, 6076, 6758, 8918, 9604, 9919, 10633, 10682, 11284, 13516, 17836, 19747, 19838, 21266, 21364, 23653, 31213, 37387, 39494, 39676, 42532, 43927, 47306, 62426, 69433, 74431, 74774, 78988, 87854, 94612, 124852, 138229, 138866, 148862, 149548, 165571, 175708, 261709, 276458, 277732, 297724, 307489, 331142, 486031, 523418, 552916, 614978, 662284, 967603, 972062, 1046836, 1158997, 1229956, 1935206, 1944124, 2152423, 2317994, 3402217, 3870412, 4304846, 4635988, 6804434, 8112979, 8609692, 13608868, 15066961, 16225958, 30133922, 32451916, 60267844, 105468727, 210937454, 421874908]

約数ペア:

[(1, 421874908), (2, 210937454), (4, 105468727), (7, 60267844), (13, 32451916), (14, 30133922), (26, 16225958), (28, 15066961), (31, 13608868), (49, 8609692), (52, 8112979), (62, 6804434), (91, 4635988), (98, 4304846), (109, 3870412), (124, 3402217), (182, 2317994), (196, 2152423), (217, 1944124), (218, 1935206), (343, 1229956), (364, 1158997), (403, 1046836), (434, 972062), (436, 967603), (637, 662284), (686, 614978), (763, 552916), (806, 523418), (868, 486031), (1274, 331142), (1372, 307489), (1417, 297724), (1519, 277732), (1526, 276458), (1612, 261709), (2401, 175708), (2548, 165571), (2821, 149548), (2834, 148862), (3038, 138866), (3052, 138229), (3379, 124852), (4459, 94612), (4802, 87854), (5341, 78988), (5642, 74774), (5668, 74431), (6076, 69433), (6758, 62426), (8918, 47306), (9604, 43927), (9919, 42532), (10633, 39676), (10682, 39494), (11284, 37387), (13516, 31213), (17836, 23653), (19747, 21364), (19838, 21266)]