10198725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 18838080

約数和(自身を除く): 8639355

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 421, 425, 475, 969, 1263, 1275, 1425, 1615, 2105, 4845, 6315, 7157, 7999, 8075, 10525, 21471, 23997, 24225, 31575, 35785, 39995, 107355, 119985, 135983, 178925, 199975, 407949, 536775, 599925, 679915, 2039745, 3399575, 10198725]

約数ペア:

[(1, 10198725), (3, 3399575), (5, 2039745), (15, 679915), (17, 599925), (19, 536775), (25, 407949), (51, 199975), (57, 178925), (75, 135983), (85, 119985), (95, 107355), (255, 39995), (285, 35785), (323, 31575), (421, 24225), (425, 23997), (475, 21471), (969, 10525), (1263, 8075), (1275, 7999), (1425, 7157), (1615, 6315), (2105, 4845)]