30945775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 16551185

約数列:

[1, 5, 7, 19, 25, 35, 41, 95, 133, 175, 205, 227, 287, 475, 665, 779, 1025, 1135, 1435, 1589, 3325, 3895, 4313, 5453, 5675, 7175, 7945, 9307, 19475, 21565, 27265, 30191, 39725, 46535, 65149, 107825, 136325, 150955, 176833, 232675, 325745, 754775, 884165, 1237831, 1628725, 4420825, 6189155, 30945775]

約数ペア:

[(1, 30945775), (5, 6189155), (7, 4420825), (19, 1628725), (25, 1237831), (35, 884165), (41, 754775), (95, 325745), (133, 232675), (175, 176833), (205, 150955), (227, 136325), (287, 107825), (475, 65149), (665, 46535), (779, 39725), (1025, 30191), (1135, 27265), (1435, 21565), (1589, 19475), (3325, 9307), (3895, 7945), (4313, 7175), (5453, 5675)]