439781810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 940584960

約数和(自身を除く): 500803150

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 53, 58, 62, 65, 71, 106, 130, 142, 145, 155, 265, 290, 310, 355, 377, 403, 530, 689, 710, 754, 806, 899, 923, 1378, 1537, 1643, 1798, 1846, 1885, 2015, 2059, 2201, 3074, 3286, 3445, 3763, 3770, 4030, 4118, 4402, 4495, 4615, 6890, 7526, 7685, 8215, 8990, 9230, 10295, 11005, 11687, 15370, 16430, 18815, 19981, 20590, 21359, 22010, 23374, 26767, 28613, 37630, 39962, 42718, 47647, 48919, 53534, 57226, 58435, 63829, 95294, 97838, 99905, 106795, 109127, 116653, 116870, 127658, 133835, 143065, 199810, 213590, 218254, 233306, 238235, 244595, 267670, 286130, 319145, 476470, 489190, 545635, 583265, 619411, 638290, 829777, 1091270, 1166530, 1238822, 1418651, 1516489, 1659554, 2837302, 3032978, 3097055, 3382937, 4148885, 6194110, 6765874, 7093255, 7582445, 8297770, 14186510, 15164890, 16914685, 33829370, 43978181, 87956362, 219890905, 439781810]

約数ペア:

[(1, 439781810), (2, 219890905), (5, 87956362), (10, 43978181), (13, 33829370), (26, 16914685), (29, 15164890), (31, 14186510), (53, 8297770), (58, 7582445), (62, 7093255), (65, 6765874), (71, 6194110), (106, 4148885), (130, 3382937), (142, 3097055), (145, 3032978), (155, 2837302), (265, 1659554), (290, 1516489), (310, 1418651), (355, 1238822), (377, 1166530), (403, 1091270), (530, 829777), (689, 638290), (710, 619411), (754, 583265), (806, 545635), (899, 489190), (923, 476470), (1378, 319145), (1537, 286130), (1643, 267670), (1798, 244595), (1846, 238235), (1885, 233306), (2015, 218254), (2059, 213590), (2201, 199810), (3074, 143065), (3286, 133835), (3445, 127658), (3763, 116870), (3770, 116653), (4030, 109127), (4118, 106795), (4402, 99905), (4495, 97838), (4615, 95294), (6890, 63829), (7526, 58435), (7685, 57226), (8215, 53534), (8990, 48919), (9230, 47647), (10295, 42718), (11005, 39962), (11687, 37630), (15370, 28613), (16430, 26767), (18815, 23374), (19981, 22010), (20590, 21359)]