208382020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2879}}^1$

素因数の和:2953

約数の個数: 96

約数和(自身を含む): 557383680

約数和(自身を除く): 349001660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 140, 154, 188, 220, 235, 308, 329, 385, 470, 517, 658, 770, 940, 1034, 1316, 1540, 1645, 2068, 2585, 2879, 3290, 3619, 5170, 5758, 6580, 7238, 10340, 11516, 14395, 14476, 18095, 20153, 28790, 31669, 36190, 40306, 57580, 63338, 72380, 80612, 100765, 126676, 135313, 158345, 201530, 221683, 270626, 316690, 403060, 443366, 541252, 633380, 676565, 886732, 947191, 1108415, 1353130, 1488443, 1894382, 2216830, 2706260, 2976886, 3788764, 4433660, 4735955, 5953772, 7442215, 9471910, 10419101, 14884430, 18943820, 20838202, 29768860, 41676404, 52095505, 104191010, 208382020]

約数ペア:

[(1, 208382020), (2, 104191010), (4, 52095505), (5, 41676404), (7, 29768860), (10, 20838202), (11, 18943820), (14, 14884430), (20, 10419101), (22, 9471910), (28, 7442215), (35, 5953772), (44, 4735955), (47, 4433660), (55, 3788764), (70, 2976886), (77, 2706260), (94, 2216830), (110, 1894382), (140, 1488443), (154, 1353130), (188, 1108415), (220, 947191), (235, 886732), (308, 676565), (329, 633380), (385, 541252), (470, 443366), (517, 403060), (658, 316690), (770, 270626), (940, 221683), (1034, 201530), (1316, 158345), (1540, 135313), (1645, 126676), (2068, 100765), (2585, 80612), (2879, 72380), (3290, 63338), (3619, 57580), (5170, 40306), (5758, 36190), (6580, 31669), (7238, 28790), (10340, 20153), (11516, 18095), (14395, 14476)]