123992540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5501}}^1$

素因数の和:5547

約数の個数: 72

約数和(自身を含む): 316122912

約数和(自身を除く): 192130372

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, 5501, 5635, 11002, 11270, 22004, 22540, 27505, 38507, 55010, 77014, 110020, 126523, 154028, 192535, 253046, 269549, 385070, 506092, 539098, 632615, 770140, 885661, 1078196, 1265230, 1347745, 1771322, 2530460, 2695490, 3542644, 4428305, 5390980, 6199627, 8856610, 12399254, 17713220, 24798508, 30998135, 61996270, 123992540]

約数ペア:

[(1, 123992540), (2, 61996270), (4, 30998135), (5, 24798508), (7, 17713220), (10, 12399254), (14, 8856610), (20, 6199627), (23, 5390980), (28, 4428305), (35, 3542644), (46, 2695490), (49, 2530460), (70, 1771322), (92, 1347745), (98, 1265230), (115, 1078196), (140, 885661), (161, 770140), (196, 632615), (230, 539098), (245, 506092), (322, 385070), (460, 269549), (490, 253046), (644, 192535), (805, 154028), (980, 126523), (1127, 110020), (1610, 77014), (2254, 55010), (3220, 38507), (4508, 27505), (5501, 22540), (5635, 22004), (11002, 11270)]