205103470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 473150160

約数和(自身を除く): 268046690

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 59, 65, 85, 110, 118, 121, 130, 143, 169, 170, 187, 221, 242, 286, 295, 338, 374, 442, 590, 605, 649, 715, 767, 845, 935, 1003, 1105, 1210, 1298, 1430, 1534, 1573, 1690, 1859, 1870, 2006, 2057, 2210, 2431, 2873, 3146, 3245, 3718, 3835, 4114, 4862, 5015, 5746, 6490, 7139, 7670, 7865, 8437, 9295, 9971, 10030, 10285, 11033, 12155, 13039, 14278, 14365, 15730, 16874, 18590, 19942, 20449, 20570, 22066, 24310, 26078, 26741, 28730, 31603, 35695, 40898, 42185, 49855, 53482, 55165, 63206, 65195, 71390, 84370, 92807, 99710, 102245, 109681, 110330, 121363, 130390, 133705, 143429, 158015, 169507, 185614, 204490, 219362, 242726, 267410, 286858, 316030, 339014, 347633, 464035, 548405, 606815, 695266, 717145, 847535, 928070, 1096810, 1206491, 1213630, 1434290, 1577719, 1695070, 1738165, 1864577, 2412982, 3155438, 3476330, 3729154, 6032455, 7888595, 9322885, 12064910, 15777190, 18645770, 20510347, 41020694, 102551735, 205103470]

約数ペア:

[(1, 205103470), (2, 102551735), (5, 41020694), (10, 20510347), (11, 18645770), (13, 15777190), (17, 12064910), (22, 9322885), (26, 7888595), (34, 6032455), (55, 3729154), (59, 3476330), (65, 3155438), (85, 2412982), (110, 1864577), (118, 1738165), (121, 1695070), (130, 1577719), (143, 1434290), (169, 1213630), (170, 1206491), (187, 1096810), (221, 928070), (242, 847535), (286, 717145), (295, 695266), (338, 606815), (374, 548405), (442, 464035), (590, 347633), (605, 339014), (649, 316030), (715, 286858), (767, 267410), (845, 242726), (935, 219362), (1003, 204490), (1105, 185614), (1210, 169507), (1298, 158015), (1430, 143429), (1534, 133705), (1573, 130390), (1690, 121363), (1859, 110330), (1870, 109681), (2006, 102245), (2057, 99710), (2210, 92807), (2431, 84370), (2873, 71390), (3146, 65195), (3245, 63206), (3718, 55165), (3835, 53482), (4114, 49855), (4862, 42185), (5015, 40898), (5746, 35695), (6490, 31603), (7139, 28730), (7670, 26741), (7865, 26078), (8437, 24310), (9295, 22066), (9971, 20570), (10030, 20449), (10285, 19942), (11033, 18590), (12155, 16874), (13039, 15730), (14278, 14365)]