191961420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{65293}}^1$

素因数の和:65319

約数の個数: 72

約数和(自身を含む): 625255344

約数和(自身を除く): 433293924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 65293, 130586, 195879, 261172, 326465, 391758, 457051, 652930, 783516, 914102, 979395, 1305860, 1371153, 1828204, 1958790, 2285255, 2742306, 3199357, 3917580, 4570510, 5484612, 6398714, 6855765, 9141020, 9598071, 12797428, 13711530, 15996785, 19196142, 27423060, 31993570, 38392284, 47990355, 63987140, 95980710, 191961420]

約数ペア:

[(1, 191961420), (2, 95980710), (3, 63987140), (4, 47990355), (5, 38392284), (6, 31993570), (7, 27423060), (10, 19196142), (12, 15996785), (14, 13711530), (15, 12797428), (20, 9598071), (21, 9141020), (28, 6855765), (30, 6398714), (35, 5484612), (42, 4570510), (49, 3917580), (60, 3199357), (70, 2742306), (84, 2285255), (98, 1958790), (105, 1828204), (140, 1371153), (147, 1305860), (196, 979395), (210, 914102), (245, 783516), (294, 652930), (420, 457051), (490, 391758), (588, 326465), (735, 261172), (980, 195879), (1470, 130586), (2940, 65293)]