890265852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 2629186560

約数和(自身を除く): 1738920708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 197, 227, 237, 252, 316, 394, 454, 474, 553, 591, 681, 711, 788, 908, 948, 1106, 1182, 1362, 1379, 1422, 1589, 1659, 1773, 2043, 2212, 2364, 2724, 2758, 2844, 3178, 3318, 3546, 4086, 4137, 4767, 4977, 5516, 6356, 6636, 7092, 8172, 8274, 9534, 9954, 12411, 14301, 15563, 16548, 17933, 19068, 19908, 24822, 28602, 31126, 35866, 44719, 46689, 49644, 53799, 57204, 62252, 71732, 89438, 93378, 107598, 108941, 125531, 134157, 140067, 161397, 178876, 186756, 215196, 217882, 251062, 268314, 280134, 313033, 322794, 326823, 376593, 402471, 435764, 502124, 536628, 560268, 626066, 645588, 653646, 753186, 804942, 939099, 980469, 1129779, 1252132, 1307292, 1506372, 1609884, 1878198, 1960938, 2259558, 2817297, 3532801, 3756396, 3921876, 4519116, 5634594, 7065602, 10598403, 11269188, 14131204, 21196806, 24729607, 31795209, 42393612, 49459214, 63590418, 74188821, 98918428, 127180836, 148377642, 222566463, 296755284, 445132926, 890265852]

約数ペア:

[(1, 890265852), (2, 445132926), (3, 296755284), (4, 222566463), (6, 148377642), (7, 127180836), (9, 98918428), (12, 74188821), (14, 63590418), (18, 49459214), (21, 42393612), (28, 31795209), (36, 24729607), (42, 21196806), (63, 14131204), (79, 11269188), (84, 10598403), (126, 7065602), (158, 5634594), (197, 4519116), (227, 3921876), (237, 3756396), (252, 3532801), (316, 2817297), (394, 2259558), (454, 1960938), (474, 1878198), (553, 1609884), (591, 1506372), (681, 1307292), (711, 1252132), (788, 1129779), (908, 980469), (948, 939099), (1106, 804942), (1182, 753186), (1362, 653646), (1379, 645588), (1422, 626066), (1589, 560268), (1659, 536628), (1773, 502124), (2043, 435764), (2212, 402471), (2364, 376593), (2724, 326823), (2758, 322794), (2844, 313033), (3178, 280134), (3318, 268314), (3546, 251062), (4086, 217882), (4137, 215196), (4767, 186756), (4977, 178876), (5516, 161397), (6356, 140067), (6636, 134157), (7092, 125531), (8172, 108941), (8274, 107598), (9534, 93378), (9954, 89438), (12411, 71732), (14301, 62252), (15563, 57204), (16548, 53799), (17933, 49644), (19068, 46689), (19908, 44719), (24822, 35866), (28602, 31126)]