259991935748

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{227}}^1\times {\mathrm{389}}^1\times {\mathrm{2039}}^1$

素因数の和:2697

約数の個数: 72

約数和(自身を含む): 483785265600

約数和(自身を除く): 223793329852

約数列:

[1, 2, 4, 19, 38, 76, 227, 361, 389, 454, 722, 778, 908, 1444, 1556, 2039, 4078, 4313, 7391, 8156, 8626, 14782, 17252, 29564, 38741, 77482, 81947, 88303, 140429, 154964, 163894, 176606, 280858, 327788, 353212, 462853, 561716, 736079, 793171, 925706, 1472158, 1586342, 1677757, 1851412, 2944316, 3172684, 3355514, 6711028, 8794207, 15070249, 17588414, 30140498, 31877383, 35176828, 60280996, 63754766, 127509532, 167089933, 180049817, 286334731, 334179866, 360099634, 572669462, 668359732, 720199268, 1145338924, 3420946523, 6841893046, 13683786092, 64997983937, 129995967874, 259991935748]

約数ペア:

[(1, 259991935748), (2, 129995967874), (4, 64997983937), (19, 13683786092), (38, 6841893046), (76, 3420946523), (227, 1145338924), (361, 720199268), (389, 668359732), (454, 572669462), (722, 360099634), (778, 334179866), (908, 286334731), (1444, 180049817), (1556, 167089933), (2039, 127509532), (4078, 63754766), (4313, 60280996), (7391, 35176828), (8156, 31877383), (8626, 30140498), (14782, 17588414), (17252, 15070249), (29564, 8794207), (38741, 6711028), (77482, 3355514), (81947, 3172684), (88303, 2944316), (140429, 1851412), (154964, 1677757), (163894, 1586342), (176606, 1472158), (280858, 925706), (327788, 793171), (353212, 736079), (462853, 561716)]