420470176

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 1023865920

約数和(自身を除く): 603395744

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 89, 92, 98, 112, 131, 161, 178, 184, 196, 224, 262, 322, 356, 368, 392, 524, 623, 644, 712, 736, 784, 917, 1048, 1127, 1246, 1288, 1424, 1568, 1834, 2047, 2096, 2254, 2492, 2576, 2848, 3013, 3668, 4094, 4192, 4361, 4508, 4984, 5152, 6026, 6419, 7336, 8188, 8722, 9016, 9968, 11659, 12052, 12838, 14329, 14672, 16376, 17444, 18032, 19936, 21091, 23318, 24104, 25676, 28658, 29344, 32752, 34888, 36064, 42182, 46636, 48208, 51352, 57316, 65504, 69776, 81613, 84364, 93272, 96416, 100303, 102704, 114632, 139552, 147637, 163226, 168728, 186544, 200606, 205408, 229264, 268157, 295274, 326452, 337456, 373088, 401212, 458528, 536314, 571291, 590548, 652904, 674912, 802424, 1072628, 1142582, 1181096, 1305808, 1604848, 1877099, 2145256, 2285164, 2362192, 2611616, 3209696, 3754198, 4290512, 4570328, 4724384, 7508396, 8581024, 9140656, 13139693, 15016792, 18281312, 26279386, 30033584, 52558772, 60067168, 105117544, 210235088, 420470176]

約数ペア:

[(1, 420470176), (2, 210235088), (4, 105117544), (7, 60067168), (8, 52558772), (14, 30033584), (16, 26279386), (23, 18281312), (28, 15016792), (32, 13139693), (46, 9140656), (49, 8581024), (56, 7508396), (89, 4724384), (92, 4570328), (98, 4290512), (112, 3754198), (131, 3209696), (161, 2611616), (178, 2362192), (184, 2285164), (196, 2145256), (224, 1877099), (262, 1604848), (322, 1305808), (356, 1181096), (368, 1142582), (392, 1072628), (524, 802424), (623, 674912), (644, 652904), (712, 590548), (736, 571291), (784, 536314), (917, 458528), (1048, 401212), (1127, 373088), (1246, 337456), (1288, 326452), (1424, 295274), (1568, 268157), (1834, 229264), (2047, 205408), (2096, 200606), (2254, 186544), (2492, 168728), (2576, 163226), (2848, 147637), (3013, 139552), (3668, 114632), (4094, 102704), (4192, 100303), (4361, 96416), (4508, 93272), (4984, 84364), (5152, 81613), (6026, 69776), (6419, 65504), (7336, 57316), (8188, 51352), (8722, 48208), (9016, 46636), (9968, 42182), (11659, 36064), (12052, 34888), (12838, 32752), (14329, 29344), (14672, 28658), (16376, 25676), (17444, 24104), (18032, 23318), (19936, 21091)]