308963460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{396107}}^1$

素因数の和:396132

約数の個数: 48

約数和(自身を含む): 931646016

約数和(自身を除く): 622682556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 396107, 792214, 1188321, 1584428, 1980535, 2376642, 3961070, 4753284, 5149391, 5941605, 7922140, 10298782, 11883210, 15448173, 20597564, 23766420, 25746955, 30896346, 51493910, 61792692, 77240865, 102987820, 154481730, 308963460]

約数ペア:

[(1, 308963460), (2, 154481730), (3, 102987820), (4, 77240865), (5, 61792692), (6, 51493910), (10, 30896346), (12, 25746955), (13, 23766420), (15, 20597564), (20, 15448173), (26, 11883210), (30, 10298782), (39, 7922140), (52, 5941605), (60, 5149391), (65, 4753284), (78, 3961070), (130, 2376642), (156, 1980535), (195, 1584428), (260, 1188321), (390, 792214), (780, 396107)]