405979280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9931}}^1$

素因数の和:10024

約数の個数: 80

約数和(自身を含む): 1093632384

約数和(自身を除く): 687653104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 9931, 10220, 19862, 20440, 39724, 40880, 49655, 69517, 79448, 99310, 139034, 158896, 198620, 278068, 347585, 397240, 556136, 695170, 724963, 794480, 1112272, 1390340, 1449926, 2780680, 2899852, 3624815, 5074741, 5561360, 5799704, 7249630, 10149482, 11599408, 14499260, 20298964, 25373705, 28998520, 40597928, 50747410, 57997040, 81195856, 101494820, 202989640, 405979280]

約数ペア:

[(1, 405979280), (2, 202989640), (4, 101494820), (5, 81195856), (7, 57997040), (8, 50747410), (10, 40597928), (14, 28998520), (16, 25373705), (20, 20298964), (28, 14499260), (35, 11599408), (40, 10149482), (56, 7249630), (70, 5799704), (73, 5561360), (80, 5074741), (112, 3624815), (140, 2899852), (146, 2780680), (280, 1449926), (292, 1390340), (365, 1112272), (511, 794480), (560, 724963), (584, 695170), (730, 556136), (1022, 397240), (1168, 347585), (1460, 278068), (2044, 198620), (2555, 158896), (2920, 139034), (4088, 99310), (5110, 79448), (5840, 69517), (8176, 49655), (9931, 40880), (10220, 39724), (19862, 20440)]