2013565904

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2740

約数の個数: 80

約数和(自身を含む): 4567564800

約数和(自身を除く): 2553998896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 89, 112, 158, 178, 316, 356, 553, 623, 632, 712, 1106, 1246, 1264, 1424, 2212, 2492, 2557, 4424, 4984, 5114, 7031, 8848, 9968, 10228, 14062, 17899, 20456, 28124, 35798, 40912, 49217, 56248, 71596, 98434, 112496, 143192, 196868, 202003, 227573, 286384, 393736, 404006, 455146, 787472, 808012, 910292, 1414021, 1593011, 1616024, 1820584, 2828042, 3186022, 3232048, 3641168, 5656084, 6372044, 11312168, 12744088, 17978267, 22624336, 25488176, 35956534, 71913068, 125847869, 143826136, 251695738, 287652272, 503391476, 1006782952, 2013565904]

約数ペア:

[(1, 2013565904), (2, 1006782952), (4, 503391476), (7, 287652272), (8, 251695738), (14, 143826136), (16, 125847869), (28, 71913068), (56, 35956534), (79, 25488176), (89, 22624336), (112, 17978267), (158, 12744088), (178, 11312168), (316, 6372044), (356, 5656084), (553, 3641168), (623, 3232048), (632, 3186022), (712, 2828042), (1106, 1820584), (1246, 1616024), (1264, 1593011), (1424, 1414021), (2212, 910292), (2492, 808012), (2557, 787472), (4424, 455146), (4984, 404006), (5114, 393736), (7031, 286384), (8848, 227573), (9968, 202003), (10228, 196868), (14062, 143192), (17899, 112496), (20456, 98434), (28124, 71596), (35798, 56248), (40912, 49217)]