218440880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12583}}^1$

素因数の和:12634

約数の個数: 80

約数和(自身を含む): 599199744

約数和(自身を除く): 380758864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12583, 17360, 25166, 50332, 62915, 88081, 100664, 125830, 176162, 201328, 251660, 352324, 390073, 440405, 503320, 704648, 780146, 880810, 1006640, 1409296, 1560292, 1761620, 1950365, 2730511, 3120584, 3523240, 3900730, 5461022, 6241168, 7046480, 7801460, 10922044, 13652555, 15602920, 21844088, 27305110, 31205840, 43688176, 54610220, 109220440, 218440880]

約数ペア:

[(1, 218440880), (2, 109220440), (4, 54610220), (5, 43688176), (7, 31205840), (8, 27305110), (10, 21844088), (14, 15602920), (16, 13652555), (20, 10922044), (28, 7801460), (31, 7046480), (35, 6241168), (40, 5461022), (56, 3900730), (62, 3523240), (70, 3120584), (80, 2730511), (112, 1950365), (124, 1761620), (140, 1560292), (155, 1409296), (217, 1006640), (248, 880810), (280, 780146), (310, 704648), (434, 503320), (496, 440405), (560, 390073), (620, 352324), (868, 251660), (1085, 201328), (1240, 176162), (1736, 125830), (2170, 100664), (2480, 88081), (3472, 62915), (4340, 50332), (8680, 25166), (12583, 17360)]