202213880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12421}}^1$

素因数の和:12480

約数の個数: 64

約数和(自身を含む): 509798880

約数和(自身を除く): 307585000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 12421, 16280, 24842, 49684, 62105, 99368, 124210, 136631, 248420, 273262, 459577, 496840, 546524, 683155, 919154, 1093048, 1366310, 1838308, 2297885, 2732620, 3676616, 4595770, 5055347, 5465240, 9191540, 10110694, 18383080, 20221388, 25276735, 40442776, 50553470, 101106940, 202213880]

約数ペア:

[(1, 202213880), (2, 101106940), (4, 50553470), (5, 40442776), (8, 25276735), (10, 20221388), (11, 18383080), (20, 10110694), (22, 9191540), (37, 5465240), (40, 5055347), (44, 4595770), (55, 3676616), (74, 2732620), (88, 2297885), (110, 1838308), (148, 1366310), (185, 1093048), (220, 919154), (296, 683155), (370, 546524), (407, 496840), (440, 459577), (740, 273262), (814, 248420), (1480, 136631), (1628, 124210), (2035, 99368), (3256, 62105), (4070, 49684), (8140, 24842), (12421, 16280)]