87789850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:919

約数の個数: 48

約数和(自身を含む): 172363968

約数和(自身を除く): 84574118

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 97, 115, 194, 230, 485, 575, 787, 970, 1150, 1574, 2231, 2425, 3935, 4462, 4850, 7870, 11155, 18101, 19675, 22310, 36202, 39350, 55775, 76339, 90505, 111550, 152678, 181010, 381695, 452525, 763390, 905050, 1755797, 1908475, 3511594, 3816950, 8778985, 17557970, 43894925, 87789850]

約数ペア:

[(1, 87789850), (2, 43894925), (5, 17557970), (10, 8778985), (23, 3816950), (25, 3511594), (46, 1908475), (50, 1755797), (97, 905050), (115, 763390), (194, 452525), (230, 381695), (485, 181010), (575, 152678), (787, 111550), (970, 90505), (1150, 76339), (1574, 55775), (2231, 39350), (2425, 36202), (3935, 22310), (4462, 19675), (4850, 18101), (7870, 11155)]