311409080

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 718848000

約数和(自身を除く): 407438920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 127, 236, 254, 295, 472, 508, 590, 635, 1016, 1039, 1180, 1270, 2078, 2360, 2540, 4156, 5080, 5195, 7493, 8312, 10390, 14986, 20780, 29972, 37465, 41560, 59944, 61301, 74930, 122602, 131953, 149860, 245204, 263906, 299720, 306505, 490408, 527812, 613010, 659765, 1055624, 1226020, 1319530, 2452040, 2639060, 5278120, 7785227, 15570454, 31140908, 38926135, 62281816, 77852270, 155704540, 311409080]

約数ペア:

[(1, 311409080), (2, 155704540), (4, 77852270), (5, 62281816), (8, 38926135), (10, 31140908), (20, 15570454), (40, 7785227), (59, 5278120), (118, 2639060), (127, 2452040), (236, 1319530), (254, 1226020), (295, 1055624), (472, 659765), (508, 613010), (590, 527812), (635, 490408), (1016, 306505), (1039, 299720), (1180, 263906), (1270, 245204), (2078, 149860), (2360, 131953), (2540, 122602), (4156, 74930), (5080, 61301), (5195, 59944), (7493, 41560), (8312, 37465), (10390, 29972), (14986, 20780)]