261319690

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1\times {\mathrm{877}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 477912960

約数和(自身を除く): 216593270

約数列:

[1, 2, 5, 10, 83, 166, 359, 415, 718, 830, 877, 1754, 1795, 3590, 4385, 8770, 29797, 59594, 72791, 145582, 148985, 297970, 314843, 363955, 629686, 727910, 1574215, 3148430, 26131969, 52263938, 130659845, 261319690]

約数ペア:

[(1, 261319690), (2, 130659845), (5, 52263938), (10, 26131969), (83, 3148430), (166, 1574215), (359, 727910), (415, 629686), (718, 363955), (830, 314843), (877, 297970), (1754, 148985), (1795, 145582), (3590, 72791), (4385, 59594), (8770, 29797)]