206283920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 498634752

約数和(自身を除く): 292350832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 223, 248, 310, 373, 446, 496, 620, 746, 892, 1115, 1240, 1492, 1784, 1865, 2230, 2480, 2984, 3568, 3730, 4460, 5968, 6913, 7460, 8920, 11563, 13826, 14920, 17840, 23126, 27652, 29840, 34565, 46252, 55304, 57815, 69130, 83179, 92504, 110608, 115630, 138260, 166358, 185008, 231260, 276520, 332716, 415895, 462520, 553040, 665432, 831790, 925040, 1330864, 1663580, 2578549, 3327160, 5157098, 6654320, 10314196, 12892745, 20628392, 25785490, 41256784, 51570980, 103141960, 206283920]

約数ペア:

[(1, 206283920), (2, 103141960), (4, 51570980), (5, 41256784), (8, 25785490), (10, 20628392), (16, 12892745), (20, 10314196), (31, 6654320), (40, 5157098), (62, 3327160), (80, 2578549), (124, 1663580), (155, 1330864), (223, 925040), (248, 831790), (310, 665432), (373, 553040), (446, 462520), (496, 415895), (620, 332716), (746, 276520), (892, 231260), (1115, 185008), (1240, 166358), (1492, 138260), (1784, 115630), (1865, 110608), (2230, 92504), (2480, 83179), (2984, 69130), (3568, 57815), (3730, 55304), (4460, 46252), (5968, 34565), (6913, 29840), (7460, 27652), (8920, 23126), (11563, 17840), (13826, 14920)]