291214730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{9109}}^1$

素因数の和:9278

約数の個数: 32

約数和(自身を含む): 550972800

約数和(自身を除く): 259758070

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 1390, 3197, 6394, 9109, 15985, 18218, 31970, 45545, 91090, 209507, 419014, 1047535, 1266151, 2095070, 2532302, 6330755, 12661510, 29121473, 58242946, 145607365, 291214730]

約数ペア:

[(1, 291214730), (2, 145607365), (5, 58242946), (10, 29121473), (23, 12661510), (46, 6330755), (115, 2532302), (139, 2095070), (230, 1266151), (278, 1047535), (695, 419014), (1390, 209507), (3197, 91090), (6394, 45545), (9109, 31970), (15985, 18218)]