78490860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186883}}^1$

素因数の和:186902

約数の個数: 48

約数和(自身を含む): 251172096

約数和(自身を除く): 172681236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186883, 373766, 560649, 747532, 934415, 1121298, 1308181, 1868830, 2242596, 2616362, 2803245, 3737660, 3924543, 5232724, 5606490, 6540905, 7849086, 11212980, 13081810, 15698172, 19622715, 26163620, 39245430, 78490860]

約数ペア:

[(1, 78490860), (2, 39245430), (3, 26163620), (4, 19622715), (5, 15698172), (6, 13081810), (7, 11212980), (10, 7849086), (12, 6540905), (14, 5606490), (15, 5232724), (20, 3924543), (21, 3737660), (28, 2803245), (30, 2616362), (35, 2242596), (42, 1868830), (60, 1308181), (70, 1121298), (84, 934415), (105, 747532), (140, 560649), (210, 373766), (420, 186883)]