208528120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 320239880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 67, 68, 85, 92, 115, 134, 136, 170, 184, 199, 230, 268, 335, 340, 391, 398, 460, 536, 670, 680, 782, 796, 920, 995, 1139, 1340, 1541, 1564, 1592, 1955, 1990, 2278, 2680, 3082, 3128, 3383, 3910, 3980, 4556, 4577, 5695, 6164, 6766, 7705, 7820, 7960, 9112, 9154, 11390, 12328, 13333, 13532, 15410, 15640, 16915, 18308, 22780, 22885, 26197, 26666, 27064, 30820, 33830, 36616, 45560, 45770, 52394, 53332, 61640, 66665, 67660, 77809, 91540, 104788, 106664, 130985, 133330, 135320, 155618, 183080, 209576, 226661, 261970, 266660, 306659, 311236, 389045, 453322, 523940, 533320, 613318, 622472, 778090, 906644, 1047880, 1133305, 1226636, 1533295, 1556180, 1813288, 2266610, 2453272, 3066590, 3112360, 4533220, 5213203, 6133180, 9066440, 10426406, 12266360, 20852812, 26066015, 41705624, 52132030, 104264060, 208528120]

約数ペア:

[(1, 208528120), (2, 104264060), (4, 52132030), (5, 41705624), (8, 26066015), (10, 20852812), (17, 12266360), (20, 10426406), (23, 9066440), (34, 6133180), (40, 5213203), (46, 4533220), (67, 3112360), (68, 3066590), (85, 2453272), (92, 2266610), (115, 1813288), (134, 1556180), (136, 1533295), (170, 1226636), (184, 1133305), (199, 1047880), (230, 906644), (268, 778090), (335, 622472), (340, 613318), (391, 533320), (398, 523940), (460, 453322), (536, 389045), (670, 311236), (680, 306659), (782, 266660), (796, 261970), (920, 226661), (995, 209576), (1139, 183080), (1340, 155618), (1541, 135320), (1564, 133330), (1592, 130985), (1955, 106664), (1990, 104788), (2278, 91540), (2680, 77809), (3082, 67660), (3128, 66665), (3383, 61640), (3910, 53332), (3980, 52394), (4556, 45770), (4577, 45560), (5695, 36616), (6164, 33830), (6766, 30820), (7705, 27064), (7820, 26666), (7960, 26197), (9112, 22885), (9154, 22780), (11390, 18308), (12328, 16915), (13333, 15640), (13532, 15410)]