187771540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:949

約数の個数: 96

約数和(自身を含む): 459841536

約数和(自身を除く): 272069996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 43, 44, 46, 55, 86, 92, 110, 115, 172, 215, 220, 230, 253, 430, 460, 473, 506, 860, 863, 946, 989, 1012, 1265, 1726, 1892, 1978, 2365, 2530, 3452, 3956, 4315, 4730, 4945, 5060, 8630, 9460, 9493, 9890, 10879, 17260, 18986, 19780, 19849, 21758, 37109, 37972, 39698, 43516, 47465, 54395, 74218, 79396, 94930, 99245, 108790, 148436, 185545, 189860, 198490, 217580, 218339, 371090, 396980, 408199, 436678, 742180, 816398, 853507, 873356, 1091695, 1632796, 1707014, 2040995, 2183390, 3414028, 4081990, 4267535, 4366780, 8163980, 8535070, 9388577, 17070140, 18777154, 37554308, 46942885, 93885770, 187771540]

約数ペア:

[(1, 187771540), (2, 93885770), (4, 46942885), (5, 37554308), (10, 18777154), (11, 17070140), (20, 9388577), (22, 8535070), (23, 8163980), (43, 4366780), (44, 4267535), (46, 4081990), (55, 3414028), (86, 2183390), (92, 2040995), (110, 1707014), (115, 1632796), (172, 1091695), (215, 873356), (220, 853507), (230, 816398), (253, 742180), (430, 436678), (460, 408199), (473, 396980), (506, 371090), (860, 218339), (863, 217580), (946, 198490), (989, 189860), (1012, 185545), (1265, 148436), (1726, 108790), (1892, 99245), (1978, 94930), (2365, 79396), (2530, 74218), (3452, 54395), (3956, 47465), (4315, 43516), (4730, 39698), (4945, 37972), (5060, 37109), (8630, 21758), (9460, 19849), (9493, 19780), (9890, 18986), (10879, 17260)]