438379370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 998441640

約数和(自身を除く): 560062270

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 31, 55, 58, 62, 65, 110, 121, 130, 143, 145, 155, 242, 286, 290, 310, 319, 341, 377, 403, 605, 638, 682, 715, 754, 806, 899, 961, 1210, 1430, 1573, 1595, 1705, 1798, 1885, 1922, 2015, 3146, 3190, 3410, 3509, 3751, 3770, 4030, 4147, 4433, 4495, 4805, 7018, 7502, 7865, 8294, 8866, 8990, 9610, 9889, 10571, 11687, 12493, 15730, 17545, 18755, 19778, 20735, 21142, 22165, 23374, 24986, 27869, 35090, 37510, 41470, 44330, 45617, 48763, 49445, 52855, 55738, 58435, 62465, 91234, 97526, 98890, 105710, 108779, 116281, 116870, 124930, 128557, 137423, 139345, 217558, 228085, 232562, 243815, 257114, 274846, 278690, 306559, 362297, 456170, 487630, 543895, 581405, 613118, 642785, 687115, 724594, 1087790, 1162810, 1285570, 1374230, 1414127, 1511653, 1532795, 1811485, 2828254, 3023306, 3065590, 3372149, 3622970, 3985267, 6744298, 7070635, 7558265, 7970534, 14141270, 15116530, 16860745, 19926335, 33721490, 39852670, 43837937, 87675874, 219189685, 438379370]

約数ペア:

[(1, 438379370), (2, 219189685), (5, 87675874), (10, 43837937), (11, 39852670), (13, 33721490), (22, 19926335), (26, 16860745), (29, 15116530), (31, 14141270), (55, 7970534), (58, 7558265), (62, 7070635), (65, 6744298), (110, 3985267), (121, 3622970), (130, 3372149), (143, 3065590), (145, 3023306), (155, 2828254), (242, 1811485), (286, 1532795), (290, 1511653), (310, 1414127), (319, 1374230), (341, 1285570), (377, 1162810), (403, 1087790), (605, 724594), (638, 687115), (682, 642785), (715, 613118), (754, 581405), (806, 543895), (899, 487630), (961, 456170), (1210, 362297), (1430, 306559), (1573, 278690), (1595, 274846), (1705, 257114), (1798, 243815), (1885, 232562), (1922, 228085), (2015, 217558), (3146, 139345), (3190, 137423), (3410, 128557), (3509, 124930), (3751, 116870), (3770, 116281), (4030, 108779), (4147, 105710), (4433, 98890), (4495, 97526), (4805, 91234), (7018, 62465), (7502, 58435), (7865, 55738), (8294, 52855), (8866, 49445), (8990, 48763), (9610, 45617), (9889, 44330), (10571, 41470), (11687, 37510), (12493, 35090), (15730, 27869), (17545, 24986), (18755, 23374), (19778, 22165), (20735, 21142)]