138418980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2371}}^1$

素因数の和:2529

約数の個数: 96

約数和(自身を含む): 446315520

約数和(自身を除く): 307896540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 556, 695, 834, 973, 1390, 1668, 1946, 2085, 2371, 2780, 2919, 3892, 4170, 4742, 4865, 5838, 7113, 8340, 9484, 9730, 11676, 11855, 14226, 14595, 16597, 19460, 23710, 28452, 29190, 33194, 35565, 47420, 49791, 58380, 66388, 71130, 82985, 99582, 142260, 165970, 199164, 248955, 329569, 331940, 497910, 659138, 988707, 995820, 1318276, 1647845, 1977414, 2306983, 3295690, 3954828, 4613966, 4943535, 6591380, 6920949, 9227932, 9887070, 11534915, 13841898, 19774140, 23069830, 27683796, 34604745, 46139660, 69209490, 138418980]

約数ペア:

[(1, 138418980), (2, 69209490), (3, 46139660), (4, 34604745), (5, 27683796), (6, 23069830), (7, 19774140), (10, 13841898), (12, 11534915), (14, 9887070), (15, 9227932), (20, 6920949), (21, 6591380), (28, 4943535), (30, 4613966), (35, 3954828), (42, 3295690), (60, 2306983), (70, 1977414), (84, 1647845), (105, 1318276), (139, 995820), (140, 988707), (210, 659138), (278, 497910), (417, 331940), (420, 329569), (556, 248955), (695, 199164), (834, 165970), (973, 142260), (1390, 99582), (1668, 82985), (1946, 71130), (2085, 66388), (2371, 58380), (2780, 49791), (2919, 47420), (3892, 35565), (4170, 33194), (4742, 29190), (4865, 28452), (5838, 23710), (7113, 19460), (8340, 16597), (9484, 14595), (9730, 14226), (11676, 11855)]