66931580380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{106217}}^1$

素因数の和:106883

約数の個数: 72

約数和(自身を含む): 163760114448

約数和(自身を除く): 96828534068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 643, 980, 1286, 2572, 3215, 4501, 6430, 9002, 12860, 18004, 22505, 31507, 45010, 63014, 90020, 106217, 126028, 157535, 212434, 315070, 424868, 531085, 630140, 743519, 1062170, 1487038, 2124340, 2974076, 3717595, 5204633, 7435190, 10409266, 14870380, 20818532, 26023165, 52046330, 68297531, 104092660, 136595062, 273190124, 341487655, 478082717, 682975310, 956165434, 1365950620, 1912330868, 2390413585, 3346579019, 4780827170, 6693158038, 9561654340, 13386316076, 16732895095, 33465790190, 66931580380]

約数ペア:

[(1, 66931580380), (2, 33465790190), (4, 16732895095), (5, 13386316076), (7, 9561654340), (10, 6693158038), (14, 4780827170), (20, 3346579019), (28, 2390413585), (35, 1912330868), (49, 1365950620), (70, 956165434), (98, 682975310), (140, 478082717), (196, 341487655), (245, 273190124), (490, 136595062), (643, 104092660), (980, 68297531), (1286, 52046330), (2572, 26023165), (3215, 20818532), (4501, 14870380), (6430, 10409266), (9002, 7435190), (12860, 5204633), (18004, 3717595), (22505, 2974076), (31507, 2124340), (45010, 1487038), (63014, 1062170), (90020, 743519), (106217, 630140), (126028, 531085), (157535, 424868), (212434, 315070)]