208996980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3359}}^1$

素因数の和:3449

約数の個数: 96

約数和(自身を含む): 629959680

約数和(自身を除く): 420962700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 61, 68, 85, 102, 122, 170, 183, 204, 244, 255, 305, 340, 366, 510, 610, 732, 915, 1020, 1037, 1220, 1830, 2074, 3111, 3359, 3660, 4148, 5185, 6222, 6718, 10077, 10370, 12444, 13436, 15555, 16795, 20154, 20740, 31110, 33590, 40308, 50385, 57103, 62220, 67180, 100770, 114206, 171309, 201540, 204899, 228412, 285515, 342618, 409798, 571030, 614697, 685236, 819596, 856545, 1024495, 1142060, 1229394, 1713090, 2048990, 2458788, 3073485, 3426180, 3483283, 4097980, 6146970, 6966566, 10449849, 12293940, 13933132, 17416415, 20899698, 34832830, 41799396, 52249245, 69665660, 104498490, 208996980]

約数ペア:

[(1, 208996980), (2, 104498490), (3, 69665660), (4, 52249245), (5, 41799396), (6, 34832830), (10, 20899698), (12, 17416415), (15, 13933132), (17, 12293940), (20, 10449849), (30, 6966566), (34, 6146970), (51, 4097980), (60, 3483283), (61, 3426180), (68, 3073485), (85, 2458788), (102, 2048990), (122, 1713090), (170, 1229394), (183, 1142060), (204, 1024495), (244, 856545), (255, 819596), (305, 685236), (340, 614697), (366, 571030), (510, 409798), (610, 342618), (732, 285515), (915, 228412), (1020, 204899), (1037, 201540), (1220, 171309), (1830, 114206), (2074, 100770), (3111, 67180), (3359, 62220), (3660, 57103), (4148, 50385), (5185, 40308), (6222, 33590), (6718, 31110), (10077, 20740), (10370, 20154), (12444, 16795), (13436, 15555)]