84957740

素因数分解:

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

素因数の和:136

約数の個数: 108

約数和(自身を含む): 220571568

約数和(自身を除く): 135613828

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 164, 190, 205, 266, 287, 361, 380, 410, 532, 574, 665, 722, 779, 820, 1148, 1330, 1435, 1444, 1558, 1681, 1805, 2527, 2660, 2870, 3116, 3362, 3610, 3895, 5054, 5453, 5740, 6724, 7220, 7790, 8405, 10108, 10906, 11767, 12635, 14801, 15580, 16810, 21812, 23534, 25270, 27265, 29602, 31939, 33620, 47068, 50540, 54530, 58835, 59204, 63878, 74005, 103607, 109060, 117670, 127756, 148010, 159695, 207214, 223573, 235340, 296020, 319390, 414428, 447146, 518035, 606841, 638780, 894292, 1036070, 1117865, 1213682, 2072140, 2235730, 2427364, 3034205, 4247887, 4471460, 6068410, 8495774, 12136820, 16991548, 21239435, 42478870, 84957740]

約数ペア:

[(1, 84957740), (2, 42478870), (4, 21239435), (5, 16991548), (7, 12136820), (10, 8495774), (14, 6068410), (19, 4471460), (20, 4247887), (28, 3034205), (35, 2427364), (38, 2235730), (41, 2072140), (70, 1213682), (76, 1117865), (82, 1036070), (95, 894292), (133, 638780), (140, 606841), (164, 518035), (190, 447146), (205, 414428), (266, 319390), (287, 296020), (361, 235340), (380, 223573), (410, 207214), (532, 159695), (574, 148010), (665, 127756), (722, 117670), (779, 109060), (820, 103607), (1148, 74005), (1330, 63878), (1435, 59204), (1444, 58835), (1558, 54530), (1681, 50540), (1805, 47068), (2527, 33620), (2660, 31939), (2870, 29602), (3116, 27265), (3362, 25270), (3610, 23534), (3895, 21812), (5054, 16810), (5453, 15580), (5740, 14801), (6724, 12635), (7220, 11767), (7790, 10906), (8405, 10108)]