89102020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 236573568

約数和(自身を除く): 147471548

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 43, 70, 76, 82, 86, 95, 133, 140, 164, 172, 190, 205, 215, 266, 287, 301, 361, 380, 410, 430, 532, 574, 602, 665, 722, 779, 817, 820, 860, 1148, 1204, 1330, 1435, 1444, 1505, 1558, 1634, 1763, 1805, 2527, 2660, 2870, 3010, 3116, 3268, 3526, 3610, 3895, 4085, 5054, 5453, 5719, 5740, 6020, 7052, 7220, 7790, 8170, 8815, 10108, 10906, 11438, 12341, 12635, 14801, 15523, 15580, 16340, 17630, 21812, 22876, 24682, 25270, 27265, 28595, 29602, 31046, 33497, 35260, 49364, 50540, 54530, 57190, 59204, 61705, 62092, 66994, 74005, 77615, 103607, 108661, 109060, 114380, 123410, 133988, 148010, 155230, 167485, 207214, 217322, 234479, 246820, 296020, 310460, 334970, 414428, 434644, 468958, 518035, 543305, 636443, 669940, 937916, 1036070, 1086610, 1172395, 1272886, 2072140, 2173220, 2344790, 2545772, 3182215, 4455101, 4689580, 6364430, 8910202, 12728860, 17820404, 22275505, 44551010, 89102020]

約数ペア:

[(1, 89102020), (2, 44551010), (4, 22275505), (5, 17820404), (7, 12728860), (10, 8910202), (14, 6364430), (19, 4689580), (20, 4455101), (28, 3182215), (35, 2545772), (38, 2344790), (41, 2173220), (43, 2072140), (70, 1272886), (76, 1172395), (82, 1086610), (86, 1036070), (95, 937916), (133, 669940), (140, 636443), (164, 543305), (172, 518035), (190, 468958), (205, 434644), (215, 414428), (266, 334970), (287, 310460), (301, 296020), (361, 246820), (380, 234479), (410, 217322), (430, 207214), (532, 167485), (574, 155230), (602, 148010), (665, 133988), (722, 123410), (779, 114380), (817, 109060), (820, 108661), (860, 103607), (1148, 77615), (1204, 74005), (1330, 66994), (1435, 62092), (1444, 61705), (1505, 59204), (1558, 57190), (1634, 54530), (1763, 50540), (1805, 49364), (2527, 35260), (2660, 33497), (2870, 31046), (3010, 29602), (3116, 28595), (3268, 27265), (3526, 25270), (3610, 24682), (3895, 22876), (4085, 21812), (5054, 17630), (5453, 16340), (5719, 15580), (5740, 15523), (6020, 14801), (7052, 12635), (7220, 12341), (7790, 11438), (8170, 10906), (8815, 10108)]