212257580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11779}}^1$

素因数の和:11858

約数の個数: 48

約数和(自身を含む): 480906720

約数和(自身を除く): 268649140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 11779, 18020, 23558, 47116, 58895, 117790, 200243, 235580, 400486, 624287, 800972, 1001215, 1248574, 2002430, 2497148, 3121435, 4004860, 6242870, 10612879, 12485740, 21225758, 42451516, 53064395, 106128790, 212257580]

約数ペア:

[(1, 212257580), (2, 106128790), (4, 53064395), (5, 42451516), (10, 21225758), (17, 12485740), (20, 10612879), (34, 6242870), (53, 4004860), (68, 3121435), (85, 2497148), (106, 2002430), (170, 1248574), (212, 1001215), (265, 800972), (340, 624287), (530, 400486), (901, 235580), (1060, 200243), (1802, 117790), (3604, 58895), (4505, 47116), (9010, 23558), (11779, 18020)]