87381950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1649

約数の個数: 48

約数和(自身を含む): 174096000

約数和(自身を除く): 86714050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 590, 950, 1121, 1475, 1559, 2242, 2950, 3118, 5605, 7795, 11210, 15590, 28025, 29621, 38975, 56050, 59242, 77950, 91981, 148105, 183962, 296210, 459905, 740525, 919810, 1481050, 1747639, 2299525, 3495278, 4599050, 8738195, 17476390, 43690975, 87381950]

約数ペア:

[(1, 87381950), (2, 43690975), (5, 17476390), (10, 8738195), (19, 4599050), (25, 3495278), (38, 2299525), (50, 1747639), (59, 1481050), (95, 919810), (118, 740525), (190, 459905), (295, 296210), (475, 183962), (590, 148105), (950, 91981), (1121, 77950), (1475, 59242), (1559, 56050), (2242, 38975), (2950, 29621), (3118, 28025), (5605, 15590), (7795, 11210)]