2006144075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 3009503808

約数和(自身を除く): 1003359733

約数列:

[1, 5, 13, 17, 25, 31, 53, 65, 85, 155, 169, 221, 265, 289, 325, 403, 425, 527, 689, 775, 845, 901, 1105, 1325, 1445, 1643, 2015, 2635, 2873, 3445, 3757, 4225, 4505, 5239, 5525, 6851, 7225, 8215, 8957, 8959, 10075, 11713, 13175, 14365, 15317, 17225, 18785, 21359, 22525, 26195, 27931, 34255, 41075, 44785, 44795, 48841, 58565, 71825, 76585, 89063, 93925, 106795, 116467, 130975, 139655, 152269, 171275, 199121, 223925, 223975, 244205, 277667, 292825, 363103, 382925, 445315, 474827, 533975, 582335, 698275, 761345, 995605, 1221025, 1388335, 1514071, 1815515, 2226575, 2374135, 2588573, 2911675, 3806725, 4720339, 4978025, 6172751, 6941675, 7570355, 9077575, 11870675, 12942865, 23601695, 30863755, 37851775, 64714325, 80245763, 118008475, 154318775, 401228815, 2006144075]

約数ペア:

[(1, 2006144075), (5, 401228815), (13, 154318775), (17, 118008475), (25, 80245763), (31, 64714325), (53, 37851775), (65, 30863755), (85, 23601695), (155, 12942865), (169, 11870675), (221, 9077575), (265, 7570355), (289, 6941675), (325, 6172751), (403, 4978025), (425, 4720339), (527, 3806725), (689, 2911675), (775, 2588573), (845, 2374135), (901, 2226575), (1105, 1815515), (1325, 1514071), (1445, 1388335), (1643, 1221025), (2015, 995605), (2635, 761345), (2873, 698275), (3445, 582335), (3757, 533975), (4225, 474827), (4505, 445315), (5239, 382925), (5525, 363103), (6851, 292825), (7225, 277667), (8215, 244205), (8957, 223975), (8959, 223925), (10075, 199121), (11713, 171275), (13175, 152269), (14365, 139655), (15317, 130975), (17225, 116467), (18785, 106795), (21359, 93925), (22525, 89063), (26195, 76585), (27931, 71825), (34255, 58565), (41075, 48841), (44785, 44795)]