205262540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 508139520

約数和(自身を除く): 302876980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 79, 134, 140, 158, 268, 277, 316, 335, 395, 469, 553, 554, 670, 790, 938, 1106, 1108, 1340, 1385, 1580, 1876, 1939, 2212, 2345, 2765, 2770, 3878, 4690, 5293, 5530, 5540, 7756, 9380, 9695, 10586, 11060, 18559, 19390, 21172, 21883, 26465, 37051, 37118, 38780, 43766, 52930, 74102, 74236, 87532, 92795, 105860, 109415, 129913, 148204, 153181, 185255, 185590, 218830, 259826, 306362, 370510, 371180, 437660, 519652, 612724, 649565, 741020, 765905, 1299130, 1466161, 1531810, 2598260, 2932322, 3063620, 5864644, 7330805, 10263127, 14661610, 20526254, 29323220, 41052508, 51315635, 102631270, 205262540]

約数ペア:

[(1, 205262540), (2, 102631270), (4, 51315635), (5, 41052508), (7, 29323220), (10, 20526254), (14, 14661610), (20, 10263127), (28, 7330805), (35, 5864644), (67, 3063620), (70, 2932322), (79, 2598260), (134, 1531810), (140, 1466161), (158, 1299130), (268, 765905), (277, 741020), (316, 649565), (335, 612724), (395, 519652), (469, 437660), (553, 371180), (554, 370510), (670, 306362), (790, 259826), (938, 218830), (1106, 185590), (1108, 185255), (1340, 153181), (1385, 148204), (1580, 129913), (1876, 109415), (1939, 105860), (2212, 92795), (2345, 87532), (2765, 74236), (2770, 74102), (3878, 52930), (4690, 43766), (5293, 38780), (5530, 37118), (5540, 37051), (7756, 26465), (9380, 21883), (9695, 21172), (10586, 19390), (11060, 18559)]