209980920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47293}}^1$

素因数の和:47344

約数の個数: 64

約数和(自身を含む): 646981920

約数和(自身を除く): 437001000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 47293, 94586, 141879, 189172, 236465, 283758, 378344, 472930, 567516, 709395, 945860, 1135032, 1418790, 1749841, 1891720, 2837580, 3499682, 5249523, 5675160, 6999364, 8749205, 10499046, 13998728, 17498410, 20998092, 26247615, 34996820, 41996184, 52495230, 69993640, 104990460, 209980920]

約数ペア:

[(1, 209980920), (2, 104990460), (3, 69993640), (4, 52495230), (5, 41996184), (6, 34996820), (8, 26247615), (10, 20998092), (12, 17498410), (15, 13998728), (20, 10499046), (24, 8749205), (30, 6999364), (37, 5675160), (40, 5249523), (60, 3499682), (74, 2837580), (111, 1891720), (120, 1749841), (148, 1418790), (185, 1135032), (222, 945860), (296, 709395), (370, 567516), (444, 472930), (555, 378344), (740, 283758), (888, 236465), (1110, 189172), (1480, 141879), (2220, 94586), (4440, 47293)]