208349680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 160

約数和(自身を含む): 610675200

約数和(自身を除く): 402325520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 149, 154, 176, 220, 227, 280, 298, 308, 385, 440, 454, 560, 596, 616, 745, 770, 880, 908, 1043, 1135, 1192, 1232, 1490, 1540, 1589, 1639, 1816, 2086, 2270, 2384, 2497, 2980, 3080, 3178, 3278, 3632, 4172, 4540, 4994, 5215, 5960, 6160, 6356, 6556, 7945, 8195, 8344, 9080, 9988, 10430, 11473, 11920, 12485, 12712, 13112, 15890, 16390, 16688, 17479, 18160, 19976, 20860, 22946, 24970, 25424, 26224, 31780, 32780, 33823, 34958, 39952, 41720, 45892, 49940, 57365, 63560, 65560, 67646, 69916, 83440, 87395, 91784, 99880, 114730, 127120, 131120, 135292, 139832, 169115, 174790, 183568, 199760, 229460, 236761, 270584, 279664, 338230, 349580, 372053, 458920, 473522, 541168, 676460, 699160, 744106, 917840, 947044, 1183805, 1352920, 1398320, 1488212, 1860265, 1894088, 2367610, 2604371, 2705840, 2976424, 3720530, 3788176, 4735220, 5208742, 5952848, 7441060, 9470440, 10417484, 13021855, 14882120, 18940880, 20834968, 26043710, 29764240, 41669936, 52087420, 104174840, 208349680]

約数ペア:

[(1, 208349680), (2, 104174840), (4, 52087420), (5, 41669936), (7, 29764240), (8, 26043710), (10, 20834968), (11, 18940880), (14, 14882120), (16, 13021855), (20, 10417484), (22, 9470440), (28, 7441060), (35, 5952848), (40, 5208742), (44, 4735220), (55, 3788176), (56, 3720530), (70, 2976424), (77, 2705840), (80, 2604371), (88, 2367610), (110, 1894088), (112, 1860265), (140, 1488212), (149, 1398320), (154, 1352920), (176, 1183805), (220, 947044), (227, 917840), (280, 744106), (298, 699160), (308, 676460), (385, 541168), (440, 473522), (454, 458920), (560, 372053), (596, 349580), (616, 338230), (745, 279664), (770, 270584), (880, 236761), (908, 229460), (1043, 199760), (1135, 183568), (1192, 174790), (1232, 169115), (1490, 139832), (1540, 135292), (1589, 131120), (1639, 127120), (1816, 114730), (2086, 99880), (2270, 91784), (2384, 87395), (2497, 83440), (2980, 69916), (3080, 67646), (3178, 65560), (3278, 63560), (3632, 57365), (4172, 49940), (4540, 45892), (4994, 41720), (5215, 39952), (5960, 34958), (6160, 33823), (6356, 32780), (6556, 31780), (7945, 26224), (8195, 25424), (8344, 24970), (9080, 22946), (9988, 20860), (10430, 19976), (11473, 18160), (11920, 17479), (12485, 16688), (12712, 16390), (13112, 15890)]