201020410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 396264960

約数和(自身を除く): 195244550

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 139, 170, 181, 235, 278, 362, 470, 695, 799, 905, 1390, 1598, 1810, 2363, 3077, 3995, 4726, 6154, 6533, 7990, 8507, 11815, 13066, 15385, 17014, 23630, 25159, 30770, 32665, 42535, 50318, 65330, 85070, 111061, 125795, 144619, 222122, 251590, 289238, 427703, 555305, 723095, 855406, 1110610, 1182473, 1446190, 2138515, 2364946, 4277030, 5912365, 11824730, 20102041, 40204082, 100510205, 201020410]

約数ペア:

[(1, 201020410), (2, 100510205), (5, 40204082), (10, 20102041), (17, 11824730), (34, 5912365), (47, 4277030), (85, 2364946), (94, 2138515), (139, 1446190), (170, 1182473), (181, 1110610), (235, 855406), (278, 723095), (362, 555305), (470, 427703), (695, 289238), (799, 251590), (905, 222122), (1390, 144619), (1598, 125795), (1810, 111061), (2363, 85070), (3077, 65330), (3995, 50318), (4726, 42535), (6154, 32665), (6533, 30770), (7990, 25159), (8507, 23630), (11815, 17014), (13066, 15385)]