28902850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 28593470

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 643, 725, 775, 899, 1286, 1450, 1550, 1798, 3215, 4495, 6430, 8990, 16075, 18647, 19933, 22475, 32150, 37294, 39866, 44950, 93235, 99665, 186470, 199330, 466175, 498325, 578057, 932350, 996650, 1156114, 2890285, 5780570, 14451425, 28902850]

約数ペア:

[(1, 28902850), (2, 14451425), (5, 5780570), (10, 2890285), (25, 1156114), (29, 996650), (31, 932350), (50, 578057), (58, 498325), (62, 466175), (145, 199330), (155, 186470), (290, 99665), (310, 93235), (643, 44950), (725, 39866), (775, 37294), (899, 32150), (1286, 22475), (1450, 19933), (1550, 18647), (1798, 16075), (3215, 8990), (4495, 6430)]