256309950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131441}}^1$

素因数の和:131469

約数の個数: 48

約数和(自身を含む): 684549936

約数和(自身を除く): 428239986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 131441, 262882, 394323, 657205, 788646, 1314410, 1708733, 1971615, 3286025, 3417466, 3943230, 5126199, 6572050, 8543665, 9858075, 10252398, 17087330, 19716150, 25630995, 42718325, 51261990, 85436650, 128154975, 256309950]

約数ペア:

[(1, 256309950), (2, 128154975), (3, 85436650), (5, 51261990), (6, 42718325), (10, 25630995), (13, 19716150), (15, 17087330), (25, 10252398), (26, 9858075), (30, 8543665), (39, 6572050), (50, 5126199), (65, 3943230), (75, 3417466), (78, 3286025), (130, 1971615), (150, 1708733), (195, 1314410), (325, 788646), (390, 657205), (650, 394323), (975, 262882), (1950, 131441)]