7203820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 16511040

約数和(自身を除く): 9307220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 269, 412, 515, 538, 1030, 1076, 1339, 1345, 2060, 2678, 2690, 3497, 5356, 5380, 6695, 6994, 13390, 13988, 17485, 26780, 27707, 34970, 55414, 69940, 110828, 138535, 277070, 360191, 554140, 720382, 1440764, 1800955, 3601910, 7203820]

約数ペア:

[(1, 7203820), (2, 3601910), (4, 1800955), (5, 1440764), (10, 720382), (13, 554140), (20, 360191), (26, 277070), (52, 138535), (65, 110828), (103, 69940), (130, 55414), (206, 34970), (260, 27707), (269, 26780), (412, 17485), (515, 13988), (538, 13390), (1030, 6994), (1076, 6695), (1339, 5380), (1345, 5356), (2060, 3497), (2678, 2690)]