27884920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 74980080

約数和(自身を除く): 47095160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 347, 392, 410, 490, 574, 694, 820, 980, 1148, 1388, 1435, 1640, 1735, 1960, 2009, 2296, 2429, 2776, 2870, 3470, 4018, 4858, 5740, 6940, 8036, 9716, 10045, 11480, 12145, 13880, 14227, 16072, 17003, 19432, 20090, 24290, 28454, 34006, 40180, 48580, 56908, 68012, 71135, 80360, 85015, 97160, 99589, 113816, 136024, 142270, 170030, 199178, 284540, 340060, 398356, 497945, 569080, 680120, 697123, 796712, 995890, 1394246, 1991780, 2788492, 3485615, 3983560, 5576984, 6971230, 13942460, 27884920]

約数ペア:

[(1, 27884920), (2, 13942460), (4, 6971230), (5, 5576984), (7, 3983560), (8, 3485615), (10, 2788492), (14, 1991780), (20, 1394246), (28, 995890), (35, 796712), (40, 697123), (41, 680120), (49, 569080), (56, 497945), (70, 398356), (82, 340060), (98, 284540), (140, 199178), (164, 170030), (196, 142270), (205, 136024), (245, 113816), (280, 99589), (287, 97160), (328, 85015), (347, 80360), (392, 71135), (410, 68012), (490, 56908), (574, 48580), (694, 40180), (820, 34006), (980, 28454), (1148, 24290), (1388, 20090), (1435, 19432), (1640, 17003), (1735, 16072), (1960, 14227), (2009, 13880), (2296, 12145), (2429, 11480), (2776, 10045), (2870, 9716), (3470, 8036), (4018, 6940), (4858, 5740)]