211237520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8831}}^1$

素因数の和:8880

約数の個数: 80

約数和(自身を含む): 551964672

約数和(自身を除く): 340727152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 8831, 11960, 17662, 23920, 35324, 44155, 70648, 88310, 114803, 141296, 176620, 203113, 229606, 353240, 406226, 459212, 574015, 706480, 812452, 918424, 1015565, 1148030, 1624904, 1836848, 2031130, 2296060, 2640469, 3249808, 4062260, 4592120, 5280938, 8124520, 9184240, 10561876, 13202345, 16249040, 21123752, 26404690, 42247504, 52809380, 105618760, 211237520]

約数ペア:

[(1, 211237520), (2, 105618760), (4, 52809380), (5, 42247504), (8, 26404690), (10, 21123752), (13, 16249040), (16, 13202345), (20, 10561876), (23, 9184240), (26, 8124520), (40, 5280938), (46, 4592120), (52, 4062260), (65, 3249808), (80, 2640469), (92, 2296060), (104, 2031130), (115, 1836848), (130, 1624904), (184, 1148030), (208, 1015565), (230, 918424), (260, 812452), (299, 706480), (368, 574015), (460, 459212), (520, 406226), (598, 353240), (920, 229606), (1040, 203113), (1196, 176620), (1495, 141296), (1840, 114803), (2392, 88310), (2990, 70648), (4784, 44155), (5980, 35324), (8831, 23920), (11960, 17662)]