489047440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1809

約数の個数: 120

約数和(自身を含む): 1341577080

約数和(自身を除く): 852529640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 560, 584, 730, 784, 980, 1022, 1168, 1460, 1709, 1960, 2044, 2555, 2920, 3418, 3577, 3920, 4088, 5110, 5840, 6836, 7154, 8176, 8545, 10220, 11963, 13672, 14308, 17090, 17885, 20440, 23926, 27344, 28616, 34180, 35770, 40880, 47852, 57232, 59815, 68360, 71540, 83741, 95704, 119630, 124757, 136720, 143080, 167482, 191408, 239260, 249514, 286160, 334964, 418705, 478520, 499028, 623785, 669928, 837410, 873299, 957040, 998056, 1247570, 1339856, 1674820, 1746598, 1996112, 2495140, 3349640, 3493196, 4366495, 4990280, 6113093, 6699280, 6986392, 8732990, 9980560, 12226186, 13972784, 17465980, 24452372, 30565465, 34931960, 48904744, 61130930, 69863920, 97809488, 122261860, 244523720, 489047440]

約数ペア:

[(1, 489047440), (2, 244523720), (4, 122261860), (5, 97809488), (7, 69863920), (8, 61130930), (10, 48904744), (14, 34931960), (16, 30565465), (20, 24452372), (28, 17465980), (35, 13972784), (40, 12226186), (49, 9980560), (56, 8732990), (70, 6986392), (73, 6699280), (80, 6113093), (98, 4990280), (112, 4366495), (140, 3493196), (146, 3349640), (196, 2495140), (245, 1996112), (280, 1746598), (292, 1674820), (365, 1339856), (392, 1247570), (490, 998056), (511, 957040), (560, 873299), (584, 837410), (730, 669928), (784, 623785), (980, 499028), (1022, 478520), (1168, 418705), (1460, 334964), (1709, 286160), (1960, 249514), (2044, 239260), (2555, 191408), (2920, 167482), (3418, 143080), (3577, 136720), (3920, 124757), (4088, 119630), (5110, 95704), (5840, 83741), (6836, 71540), (7154, 68360), (8176, 59815), (8545, 57232), (10220, 47852), (11963, 40880), (13672, 35770), (14308, 34180), (17090, 28616), (17885, 27344), (20440, 23926)]