399623360120

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{701}}^1\times {\mathrm{35899}}^1$

素因数の和:37008

約数の個数: 64

約数和(自身を含む): 902728476000

約数和(自身を除く): 503105115880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 701, 794, 1402, 1588, 1985, 2804, 3176, 3505, 3970, 5608, 7010, 7940, 14020, 15880, 28040, 35899, 71798, 143596, 179495, 278297, 287192, 358990, 556594, 717980, 1113188, 1391485, 1435960, 2226376, 2782970, 5565940, 11131880, 14251903, 25165199, 28503806, 50330398, 57007612, 71259515, 100660796, 114015224, 125825995, 142519030, 201321592, 251651990, 285038060, 503303980, 570076120, 1006607960, 9990584003, 19981168006, 39962336012, 49952920015, 79924672024, 99905840030, 199811680060, 399623360120]

約数ペア:

[(1, 399623360120), (2, 199811680060), (4, 99905840030), (5, 79924672024), (8, 49952920015), (10, 39962336012), (20, 19981168006), (40, 9990584003), (397, 1006607960), (701, 570076120), (794, 503303980), (1402, 285038060), (1588, 251651990), (1985, 201321592), (2804, 142519030), (3176, 125825995), (3505, 114015224), (3970, 100660796), (5608, 71259515), (7010, 57007612), (7940, 50330398), (14020, 28503806), (15880, 25165199), (28040, 14251903), (35899, 11131880), (71798, 5565940), (143596, 2782970), (179495, 2226376), (278297, 1435960), (287192, 1391485), (358990, 1113188), (556594, 717980)]