804598780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{13679}}^1$

素因数の和:13878

約数の個数: 48

約数和(自身を含む): 1799521920

約数和(自身を除く): 994923140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 692, 865, 1730, 2941, 3460, 5882, 11764, 13679, 14705, 27358, 29410, 54716, 58820, 68395, 136790, 232543, 273580, 465086, 930172, 1162715, 2325430, 2366467, 4650860, 4732934, 9465868, 11832335, 23664670, 40229939, 47329340, 80459878, 160919756, 201149695, 402299390, 804598780]

約数ペア:

[(1, 804598780), (2, 402299390), (4, 201149695), (5, 160919756), (10, 80459878), (17, 47329340), (20, 40229939), (34, 23664670), (68, 11832335), (85, 9465868), (170, 4732934), (173, 4650860), (340, 2366467), (346, 2325430), (692, 1162715), (865, 930172), (1730, 465086), (2941, 273580), (3460, 232543), (5882, 136790), (11764, 68395), (13679, 58820), (14705, 54716), (27358, 29410)]