178492730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3407}}^1$

素因数の和:3471

約数の個数: 48

約数和(自身を含む): 359230464

約数和(自身を除く): 180737734

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 3407, 4030, 5239, 6814, 10478, 17035, 26195, 34070, 44291, 52390, 88582, 105617, 211234, 221455, 442910, 528085, 575783, 1056170, 1151566, 1373021, 2746042, 2878915, 5757830, 6865105, 13730210, 17849273, 35698546, 89246365, 178492730]

約数ペア:

[(1, 178492730), (2, 89246365), (5, 35698546), (10, 17849273), (13, 13730210), (26, 6865105), (31, 5757830), (62, 2878915), (65, 2746042), (130, 1373021), (155, 1151566), (169, 1056170), (310, 575783), (338, 528085), (403, 442910), (806, 221455), (845, 211234), (1690, 105617), (2015, 88582), (3407, 52390), (4030, 44291), (5239, 34070), (6814, 26195), (10478, 17035)]