28293100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 71948520

約数和(自身を除く): 43655420

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 89, 100, 110, 170, 178, 187, 220, 275, 289, 340, 356, 374, 425, 445, 550, 578, 748, 850, 890, 935, 979, 1100, 1156, 1445, 1513, 1700, 1780, 1870, 1958, 2225, 2890, 3026, 3179, 3740, 3916, 4450, 4675, 4895, 5780, 6052, 6358, 7225, 7565, 8900, 9350, 9790, 12716, 14450, 15130, 15895, 16643, 18700, 19580, 24475, 25721, 28900, 30260, 31790, 33286, 37825, 48950, 51442, 63580, 66572, 75650, 79475, 83215, 97900, 102884, 128605, 151300, 158950, 166430, 257210, 282931, 317900, 332860, 416075, 514420, 565862, 643025, 832150, 1131724, 1286050, 1414655, 1664300, 2572100, 2829310, 5658620, 7073275, 14146550, 28293100]

約数ペア:

[(1, 28293100), (2, 14146550), (4, 7073275), (5, 5658620), (10, 2829310), (11, 2572100), (17, 1664300), (20, 1414655), (22, 1286050), (25, 1131724), (34, 832150), (44, 643025), (50, 565862), (55, 514420), (68, 416075), (85, 332860), (89, 317900), (100, 282931), (110, 257210), (170, 166430), (178, 158950), (187, 151300), (220, 128605), (275, 102884), (289, 97900), (340, 83215), (356, 79475), (374, 75650), (425, 66572), (445, 63580), (550, 51442), (578, 48950), (748, 37825), (850, 33286), (890, 31790), (935, 30260), (979, 28900), (1100, 25721), (1156, 24475), (1445, 19580), (1513, 18700), (1700, 16643), (1780, 15895), (1870, 15130), (1958, 14450), (2225, 12716), (2890, 9790), (3026, 9350), (3179, 8900), (3740, 7565), (3916, 7225), (4450, 6358), (4675, 6052), (4895, 5780)]