851373770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 1852139520

約数和(自身を除く): 1000765750

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 43, 62, 65, 85, 86, 130, 155, 170, 215, 221, 289, 310, 403, 430, 442, 527, 559, 578, 731, 806, 1054, 1105, 1118, 1333, 1445, 1462, 2015, 2210, 2635, 2666, 2795, 2890, 3655, 3757, 4030, 4913, 5270, 5590, 6665, 6851, 7310, 7514, 8959, 9503, 9826, 12427, 13330, 13702, 17329, 17918, 18785, 19006, 22661, 24565, 24854, 34255, 34658, 37570, 44795, 45322, 47515, 49130, 62135, 63869, 68510, 86645, 89590, 95030, 113305, 116467, 124270, 127738, 152303, 161551, 173290, 211259, 226610, 232934, 294593, 304606, 319345, 323102, 385237, 422518, 582335, 589186, 638690, 761515, 770474, 807755, 1056295, 1164670, 1472965, 1523030, 1615510, 1926185, 1979939, 2112590, 2746367, 2945930, 3852370, 3959878, 5008081, 5492734, 6549029, 9899695, 10016162, 13098058, 13731835, 19799390, 25040405, 27463670, 32745145, 50080810, 65490290, 85137377, 170274754, 425686885, 851373770]

約数ペア:

[(1, 851373770), (2, 425686885), (5, 170274754), (10, 85137377), (13, 65490290), (17, 50080810), (26, 32745145), (31, 27463670), (34, 25040405), (43, 19799390), (62, 13731835), (65, 13098058), (85, 10016162), (86, 9899695), (130, 6549029), (155, 5492734), (170, 5008081), (215, 3959878), (221, 3852370), (289, 2945930), (310, 2746367), (403, 2112590), (430, 1979939), (442, 1926185), (527, 1615510), (559, 1523030), (578, 1472965), (731, 1164670), (806, 1056295), (1054, 807755), (1105, 770474), (1118, 761515), (1333, 638690), (1445, 589186), (1462, 582335), (2015, 422518), (2210, 385237), (2635, 323102), (2666, 319345), (2795, 304606), (2890, 294593), (3655, 232934), (3757, 226610), (4030, 211259), (4913, 173290), (5270, 161551), (5590, 152303), (6665, 127738), (6851, 124270), (7310, 116467), (7514, 113305), (8959, 95030), (9503, 89590), (9826, 86645), (12427, 68510), (13330, 63869), (13702, 62135), (17329, 49130), (17918, 47515), (18785, 45322), (19006, 44795), (22661, 37570), (24565, 34658), (24854, 34255)]