494683420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 1333553760

約数和(自身を除く): 838870340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 109, 110, 140, 154, 196, 218, 220, 245, 308, 385, 421, 436, 490, 539, 545, 763, 770, 842, 980, 1078, 1090, 1199, 1526, 1540, 1684, 2105, 2156, 2180, 2398, 2695, 2947, 3052, 3815, 4210, 4631, 4796, 5341, 5390, 5894, 5995, 7630, 8393, 8420, 9262, 10682, 10780, 11788, 11990, 14735, 15260, 16786, 18524, 20629, 21364, 23155, 23980, 26705, 29470, 32417, 33572, 41258, 41965, 45889, 46310, 53410, 58751, 58940, 64834, 82516, 83930, 91778, 92620, 103145, 106820, 117502, 129668, 162085, 167860, 183556, 206290, 226919, 229445, 235004, 293755, 321223, 324170, 412580, 453838, 458890, 504779, 587510, 642446, 648340, 907676, 917780, 1009558, 1134595, 1175020, 1284892, 1606115, 2019116, 2248561, 2269190, 2523895, 3212230, 3533453, 4497122, 4538380, 5047790, 6424460, 7066906, 8994244, 10095580, 11242805, 14133812, 17667265, 22485610, 24734171, 35334530, 44971220, 49468342, 70669060, 98936684, 123670855, 247341710, 494683420]

約数ペア:

[(1, 494683420), (2, 247341710), (4, 123670855), (5, 98936684), (7, 70669060), (10, 49468342), (11, 44971220), (14, 35334530), (20, 24734171), (22, 22485610), (28, 17667265), (35, 14133812), (44, 11242805), (49, 10095580), (55, 8994244), (70, 7066906), (77, 6424460), (98, 5047790), (109, 4538380), (110, 4497122), (140, 3533453), (154, 3212230), (196, 2523895), (218, 2269190), (220, 2248561), (245, 2019116), (308, 1606115), (385, 1284892), (421, 1175020), (436, 1134595), (490, 1009558), (539, 917780), (545, 907676), (763, 648340), (770, 642446), (842, 587510), (980, 504779), (1078, 458890), (1090, 453838), (1199, 412580), (1526, 324170), (1540, 321223), (1684, 293755), (2105, 235004), (2156, 229445), (2180, 226919), (2398, 206290), (2695, 183556), (2947, 167860), (3052, 162085), (3815, 129668), (4210, 117502), (4631, 106820), (4796, 103145), (5341, 92620), (5390, 91778), (5894, 83930), (5995, 82516), (7630, 64834), (8393, 58940), (8420, 58751), (9262, 53410), (10682, 46310), (10780, 45889), (11788, 41965), (11990, 41258), (14735, 33572), (15260, 32417), (16786, 29470), (18524, 26705), (20629, 23980), (21364, 23155)]