205316860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9109}}^1$

素因数の和:9155

約数の個数: 72

約数和(自身を含む): 523424160

約数和(自身を除く): 318107300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 9109, 11270, 18218, 22540, 36436, 45545, 63763, 91090, 127526, 182180, 209507, 255052, 318815, 419014, 446341, 637630, 838028, 892682, 1047535, 1275260, 1466549, 1785364, 2095070, 2231705, 2933098, 4190140, 4463410, 5866196, 7332745, 8926820, 10265843, 14665490, 20531686, 29330980, 41063372, 51329215, 102658430, 205316860]

約数ペア:

[(1, 205316860), (2, 102658430), (4, 51329215), (5, 41063372), (7, 29330980), (10, 20531686), (14, 14665490), (20, 10265843), (23, 8926820), (28, 7332745), (35, 5866196), (46, 4463410), (49, 4190140), (70, 2933098), (92, 2231705), (98, 2095070), (115, 1785364), (140, 1466549), (161, 1275260), (196, 1047535), (230, 892682), (245, 838028), (322, 637630), (460, 446341), (490, 419014), (644, 318815), (805, 255052), (980, 209507), (1127, 182180), (1610, 127526), (2254, 91090), (3220, 63763), (4508, 45545), (5635, 36436), (9109, 22540), (11270, 18218)]