201035540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20389}}^1$

素因数の和:20444

約数の個数: 48

約数和(自身を含む): 462445200

約数和(自身を除く): 261409660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 20389, 40778, 81556, 101945, 203890, 346613, 407780, 591281, 693226, 1182562, 1386452, 1733065, 2365124, 2956405, 3466130, 5912810, 6932260, 10051777, 11825620, 20103554, 40207108, 50258885, 100517770, 201035540]

約数ペア:

[(1, 201035540), (2, 100517770), (4, 50258885), (5, 40207108), (10, 20103554), (17, 11825620), (20, 10051777), (29, 6932260), (34, 5912810), (58, 3466130), (68, 2956405), (85, 2365124), (116, 1733065), (145, 1386452), (170, 1182562), (290, 693226), (340, 591281), (493, 407780), (580, 346613), (986, 203890), (1972, 101945), (2465, 81556), (4930, 40778), (9860, 20389)]