177205420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{13049}}^1$

素因数の和:13162

約数の個数: 48

約数和(自身を含む): 429710400

約数和(自身を除く): 252504980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13049, 13580, 26098, 52196, 65245, 91343, 130490, 182686, 260980, 365372, 456715, 913430, 1265753, 1826860, 2531506, 5063012, 6328765, 8860271, 12657530, 17720542, 25315060, 35441084, 44301355, 88602710, 177205420]

約数ペア:

[(1, 177205420), (2, 88602710), (4, 44301355), (5, 35441084), (7, 25315060), (10, 17720542), (14, 12657530), (20, 8860271), (28, 6328765), (35, 5063012), (70, 2531506), (97, 1826860), (140, 1265753), (194, 913430), (388, 456715), (485, 365372), (679, 260980), (970, 182686), (1358, 130490), (1940, 91343), (2716, 65245), (3395, 52196), (6790, 26098), (13049, 13580)]