289495875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1069

約数の個数: 64

約数和(自身を含む): 519966720

約数和(自身を除く): 230470845

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 125, 205, 285, 375, 475, 615, 779, 991, 1025, 1425, 2337, 2375, 2973, 3075, 3895, 4955, 5125, 7125, 11685, 14865, 15375, 18829, 19475, 24775, 40631, 56487, 58425, 74325, 94145, 97375, 121893, 123875, 203155, 282435, 292125, 371625, 470725, 609465, 771989, 1015775, 1412175, 2315967, 2353625, 3047325, 3859945, 5078875, 7060875, 11579835, 15236625, 19299725, 57899175, 96498625, 289495875]

約数ペア:

[(1, 289495875), (3, 96498625), (5, 57899175), (15, 19299725), (19, 15236625), (25, 11579835), (41, 7060875), (57, 5078875), (75, 3859945), (95, 3047325), (123, 2353625), (125, 2315967), (205, 1412175), (285, 1015775), (375, 771989), (475, 609465), (615, 470725), (779, 371625), (991, 292125), (1025, 282435), (1425, 203155), (2337, 123875), (2375, 121893), (2973, 97375), (3075, 94145), (3895, 74325), (4955, 58425), (5125, 56487), (7125, 40631), (11685, 24775), (14865, 19475), (15375, 18829)]