489651875

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 635796480

約数和(自身を除く): 146144605

約数列:

[1, 5, 25, 47, 79, 125, 211, 235, 395, 625, 1055, 1175, 1975, 3713, 5275, 5875, 9875, 9917, 16669, 18565, 26375, 29375, 49375, 49585, 83345, 92825, 131875, 247925, 416725, 464125, 783443, 1239625, 2083625, 2320625, 3917215, 6198125, 10418125, 19586075, 97930375, 489651875]

約数ペア:

[(1, 489651875), (5, 97930375), (25, 19586075), (47, 10418125), (79, 6198125), (125, 3917215), (211, 2320625), (235, 2083625), (395, 1239625), (625, 783443), (1055, 464125), (1175, 416725), (1975, 247925), (3713, 131875), (5275, 92825), (5875, 83345), (9875, 49585), (9917, 49375), (16669, 29375), (18565, 26375)]