208037500

素因数分解:

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

素因数の和:146

約数の個数: 144

約数和(自身を含む): 531528480

約数和(自身を除く): 323490980

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 89, 100, 110, 125, 170, 178, 187, 220, 250, 275, 340, 356, 374, 425, 445, 500, 550, 625, 748, 850, 890, 935, 979, 1100, 1250, 1375, 1513, 1700, 1780, 1870, 1958, 2125, 2225, 2500, 2750, 3026, 3125, 3740, 3916, 4250, 4450, 4675, 4895, 5500, 6052, 6250, 6875, 7565, 8500, 8900, 9350, 9790, 10625, 11125, 12500, 13750, 15130, 16643, 18700, 19580, 21250, 22250, 23375, 24475, 27500, 30260, 33286, 34375, 37825, 42500, 44500, 46750, 48950, 53125, 55625, 66572, 68750, 75650, 83215, 93500, 97900, 106250, 111250, 116875, 122375, 137500, 151300, 166430, 189125, 212500, 222500, 233750, 244750, 278125, 332860, 378250, 416075, 467500, 489500, 556250, 584375, 611875, 756500, 832150, 945625, 1112500, 1168750, 1223750, 1664300, 1891250, 2080375, 2337500, 2447500, 3059375, 3782500, 4160750, 4728125, 6118750, 8321500, 9456250, 10401875, 12237500, 18912500, 20803750, 41607500, 52009375, 104018750, 208037500]

約数ペア:

[(1, 208037500), (2, 104018750), (4, 52009375), (5, 41607500), (10, 20803750), (11, 18912500), (17, 12237500), (20, 10401875), (22, 9456250), (25, 8321500), (34, 6118750), (44, 4728125), (50, 4160750), (55, 3782500), (68, 3059375), (85, 2447500), (89, 2337500), (100, 2080375), (110, 1891250), (125, 1664300), (170, 1223750), (178, 1168750), (187, 1112500), (220, 945625), (250, 832150), (275, 756500), (340, 611875), (356, 584375), (374, 556250), (425, 489500), (445, 467500), (500, 416075), (550, 378250), (625, 332860), (748, 278125), (850, 244750), (890, 233750), (935, 222500), (979, 212500), (1100, 189125), (1250, 166430), (1375, 151300), (1513, 137500), (1700, 122375), (1780, 116875), (1870, 111250), (1958, 106250), (2125, 97900), (2225, 93500), (2500, 83215), (2750, 75650), (3026, 68750), (3125, 66572), (3740, 55625), (3916, 53125), (4250, 48950), (4450, 46750), (4675, 44500), (4895, 42500), (5500, 37825), (6052, 34375), (6250, 33286), (6875, 30260), (7565, 27500), (8500, 24475), (8900, 23375), (9350, 22250), (9790, 21250), (10625, 19580), (11125, 18700), (12500, 16643), (13750, 15130)]