858147940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{143503}}^1$

素因数の和:143548

約数の個数: 48

約数和(自身を含む): 2025128448

約数和(自身を除く): 1166980508

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 143503, 287006, 574012, 717515, 1435030, 1865539, 2870060, 3300569, 3731078, 6601138, 7462156, 9327695, 13202276, 16502845, 18655390, 33005690, 37310780, 42907397, 66011380, 85814794, 171629588, 214536985, 429073970, 858147940]

約数ペア:

[(1, 858147940), (2, 429073970), (4, 214536985), (5, 171629588), (10, 85814794), (13, 66011380), (20, 42907397), (23, 37310780), (26, 33005690), (46, 18655390), (52, 16502845), (65, 13202276), (92, 9327695), (115, 7462156), (130, 6601138), (230, 3731078), (260, 3300569), (299, 2870060), (460, 1865539), (598, 1435030), (1196, 717515), (1495, 574012), (2990, 287006), (5980, 143503)]