202030906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 192782534

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 101, 154, 202, 217, 341, 419, 434, 682, 707, 838, 1111, 1414, 2222, 2387, 2933, 3131, 4609, 4774, 5866, 6262, 7777, 9218, 12989, 15554, 21917, 25978, 32263, 34441, 42319, 43834, 64526, 68882, 84638, 90923, 142879, 181846, 241087, 285758, 296233, 465509, 482174, 592466, 931018, 1000153, 1311889, 2000306, 2623778, 3258563, 6517126, 9183223, 14430779, 18366446, 28861558, 101015453, 202030906]

約数ペア:

[(1, 202030906), (2, 101015453), (7, 28861558), (11, 18366446), (14, 14430779), (22, 9183223), (31, 6517126), (62, 3258563), (77, 2623778), (101, 2000306), (154, 1311889), (202, 1000153), (217, 931018), (341, 592466), (419, 482174), (434, 465509), (682, 296233), (707, 285758), (838, 241087), (1111, 181846), (1414, 142879), (2222, 90923), (2387, 84638), (2933, 68882), (3131, 64526), (4609, 43834), (4774, 42319), (5866, 34441), (6262, 32263), (7777, 25978), (9218, 21917), (12989, 15554)]