201109040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1518

約数の個数: 80

約数和(自身を含む): 513422496

約数和(自身を除く): 312313456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1321, 1384, 1730, 1903, 2642, 2768, 3460, 3806, 5284, 6605, 6920, 7612, 9515, 10568, 13210, 13840, 14531, 15224, 19030, 21136, 26420, 29062, 30448, 38060, 52840, 58124, 72655, 76120, 105680, 116248, 145310, 152240, 228533, 232496, 290620, 457066, 581240, 914132, 1142665, 1162480, 1828264, 2285330, 2513863, 3656528, 4570660, 5027726, 9141320, 10055452, 12569315, 18282640, 20110904, 25138630, 40221808, 50277260, 100554520, 201109040]

約数ペア:

[(1, 201109040), (2, 100554520), (4, 50277260), (5, 40221808), (8, 25138630), (10, 20110904), (11, 18282640), (16, 12569315), (20, 10055452), (22, 9141320), (40, 5027726), (44, 4570660), (55, 3656528), (80, 2513863), (88, 2285330), (110, 1828264), (173, 1162480), (176, 1142665), (220, 914132), (346, 581240), (440, 457066), (692, 290620), (865, 232496), (880, 228533), (1321, 152240), (1384, 145310), (1730, 116248), (1903, 105680), (2642, 76120), (2768, 72655), (3460, 58124), (3806, 52840), (5284, 38060), (6605, 30448), (6920, 29062), (7612, 26420), (9515, 21136), (10568, 19030), (13210, 15224), (13840, 14531)]