47984020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1471}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 115734528

約数和(自身を除く): 67750508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1471, 1631, 2330, 2942, 3262, 4660, 5884, 6524, 7355, 8155, 10297, 14710, 16310, 20594, 29420, 32620, 41188, 51485, 102970, 205940, 342743, 685486, 1370972, 1713715, 2399201, 3427430, 4798402, 6854860, 9596804, 11996005, 23992010, 47984020]

約数ペア:

[(1, 47984020), (2, 23992010), (4, 11996005), (5, 9596804), (7, 6854860), (10, 4798402), (14, 3427430), (20, 2399201), (28, 1713715), (35, 1370972), (70, 685486), (140, 342743), (233, 205940), (466, 102970), (932, 51485), (1165, 41188), (1471, 32620), (1631, 29420), (2330, 20594), (2942, 16310), (3262, 14710), (4660, 10297), (5884, 8155), (6524, 7355)]