278889390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{683}}^1$

素因数の和:1058

約数の個数: 96

約数和(自身を含む): 784274400

約数和(自身を除く): 505385010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 349, 390, 585, 683, 698, 1047, 1170, 1366, 1745, 2049, 2094, 3141, 3415, 3490, 4098, 4537, 5235, 6147, 6282, 6830, 8879, 9074, 10245, 10470, 12294, 13611, 15705, 17758, 20490, 22685, 26637, 27222, 30735, 31410, 40833, 44395, 45370, 53274, 61470, 68055, 79911, 81666, 88790, 133185, 136110, 159822, 204165, 238367, 266370, 399555, 408330, 476734, 715101, 799110, 1191835, 1430202, 2145303, 2383670, 3098771, 3575505, 4290606, 6197542, 7151010, 9296313, 10726515, 15493855, 18592626, 21453030, 27888939, 30987710, 46481565, 55777878, 92963130, 139444695, 278889390]

約数ペア:

[(1, 278889390), (2, 139444695), (3, 92963130), (5, 55777878), (6, 46481565), (9, 30987710), (10, 27888939), (13, 21453030), (15, 18592626), (18, 15493855), (26, 10726515), (30, 9296313), (39, 7151010), (45, 6197542), (65, 4290606), (78, 3575505), (90, 3098771), (117, 2383670), (130, 2145303), (195, 1430202), (234, 1191835), (349, 799110), (390, 715101), (585, 476734), (683, 408330), (698, 399555), (1047, 266370), (1170, 238367), (1366, 204165), (1745, 159822), (2049, 136110), (2094, 133185), (3141, 88790), (3415, 81666), (3490, 79911), (4098, 68055), (4537, 61470), (5235, 53274), (6147, 45370), (6282, 44395), (6830, 40833), (8879, 31410), (9074, 30735), (10245, 27222), (10470, 26637), (12294, 22685), (13611, 20490), (15705, 17758)]