256270875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 490613760

約数和(自身を除く): 234342885

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 233, 375, 419, 525, 699, 875, 1165, 1257, 1631, 2095, 2625, 2933, 3495, 4893, 5825, 6285, 8155, 8799, 10475, 14665, 17475, 24465, 29125, 31425, 40775, 43995, 52375, 73325, 87375, 97627, 122325, 157125, 203875, 219975, 292881, 366625, 488135, 611625, 683389, 1099875, 1464405, 2050167, 2440675, 3416945, 7322025, 10250835, 12203375, 17084725, 36610125, 51254175, 85423625, 256270875]

約数ペア:

[(1, 256270875), (3, 85423625), (5, 51254175), (7, 36610125), (15, 17084725), (21, 12203375), (25, 10250835), (35, 7322025), (75, 3416945), (105, 2440675), (125, 2050167), (175, 1464405), (233, 1099875), (375, 683389), (419, 611625), (525, 488135), (699, 366625), (875, 292881), (1165, 219975), (1257, 203875), (1631, 157125), (2095, 122325), (2625, 97627), (2933, 87375), (3495, 73325), (4893, 52375), (5825, 43995), (6285, 40775), (8155, 31425), (8799, 29125), (10475, 24465), (14665, 17475)]