259187960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2520

約数の個数: 64

約数和(自身を含む): 607392000

約数和(自身を除く): 348204040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 584, 730, 740, 1460, 1480, 2399, 2701, 2920, 4798, 5402, 9596, 10804, 11995, 13505, 19192, 21608, 23990, 27010, 47980, 54020, 88763, 95960, 108040, 175127, 177526, 350254, 355052, 443815, 700508, 710104, 875635, 887630, 1401016, 1751270, 1775260, 3502540, 3550520, 6479699, 7005080, 12959398, 25918796, 32398495, 51837592, 64796990, 129593980, 259187960]

約数ペア:

[(1, 259187960), (2, 129593980), (4, 64796990), (5, 51837592), (8, 32398495), (10, 25918796), (20, 12959398), (37, 7005080), (40, 6479699), (73, 3550520), (74, 3502540), (146, 1775260), (148, 1751270), (185, 1401016), (292, 887630), (296, 875635), (365, 710104), (370, 700508), (584, 443815), (730, 355052), (740, 350254), (1460, 177526), (1480, 175127), (2399, 108040), (2701, 95960), (2920, 88763), (4798, 54020), (5402, 47980), (9596, 27010), (10804, 23990), (11995, 21608), (13505, 19192)]