4320380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 9779616

約数和(自身を除く): 5459236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 131, 170, 194, 262, 340, 388, 485, 524, 655, 970, 1310, 1649, 1940, 2227, 2620, 3298, 4454, 6596, 8245, 8908, 11135, 12707, 16490, 22270, 25414, 32980, 44540, 50828, 63535, 127070, 216019, 254140, 432038, 864076, 1080095, 2160190, 4320380]

約数ペア:

[(1, 4320380), (2, 2160190), (4, 1080095), (5, 864076), (10, 432038), (17, 254140), (20, 216019), (34, 127070), (68, 63535), (85, 50828), (97, 44540), (131, 32980), (170, 25414), (194, 22270), (262, 16490), (340, 12707), (388, 11135), (485, 8908), (524, 8245), (655, 6596), (970, 4454), (1310, 3298), (1649, 2620), (1940, 2227)]