520016900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{659}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 1219088640

約数和(自身を除く): 699071740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 607, 650, 659, 1214, 1300, 1318, 2428, 2636, 3035, 3295, 6070, 6590, 7891, 8567, 12140, 13180, 15175, 15782, 16475, 17134, 30350, 31564, 32950, 34268, 39455, 42835, 60700, 65900, 78910, 85670, 157820, 171340, 197275, 214175, 394550, 400013, 428350, 789100, 800026, 856700, 1600052, 2000065, 4000130, 5200169, 8000260, 10000325, 10400338, 20000650, 20800676, 26000845, 40001300, 52001690, 104003380, 130004225, 260008450, 520016900]

約数ペア:

[(1, 520016900), (2, 260008450), (4, 130004225), (5, 104003380), (10, 52001690), (13, 40001300), (20, 26000845), (25, 20800676), (26, 20000650), (50, 10400338), (52, 10000325), (65, 8000260), (100, 5200169), (130, 4000130), (260, 2000065), (325, 1600052), (607, 856700), (650, 800026), (659, 789100), (1214, 428350), (1300, 400013), (1318, 394550), (2428, 214175), (2636, 197275), (3035, 171340), (3295, 157820), (6070, 85670), (6590, 78910), (7891, 65900), (8567, 60700), (12140, 42835), (13180, 39455), (15175, 34268), (15782, 32950), (16475, 31564), (17134, 30350)]