197911280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20789}}^1$

素因数の和:20826

約数の個数: 80

約数和(自身を含む): 556839360

約数和(自身を除く): 358928080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 20789, 41578, 83156, 103945, 145523, 166312, 207890, 291046, 332624, 353413, 415780, 582092, 706826, 727615, 831560, 1164184, 1413652, 1455230, 1663120, 1767065, 2328368, 2473891, 2827304, 2910460, 3534130, 4947782, 5654608, 5820920, 7068260, 9895564, 11641840, 12369455, 14136520, 19791128, 24738910, 28273040, 39582256, 49477820, 98955640, 197911280]

約数ペア:

[(1, 197911280), (2, 98955640), (4, 49477820), (5, 39582256), (7, 28273040), (8, 24738910), (10, 19791128), (14, 14136520), (16, 12369455), (17, 11641840), (20, 9895564), (28, 7068260), (34, 5820920), (35, 5654608), (40, 4947782), (56, 3534130), (68, 2910460), (70, 2827304), (80, 2473891), (85, 2328368), (112, 1767065), (119, 1663120), (136, 1455230), (140, 1413652), (170, 1164184), (238, 831560), (272, 727615), (280, 706826), (340, 582092), (476, 415780), (560, 353413), (595, 332624), (680, 291046), (952, 207890), (1190, 166312), (1360, 145523), (1904, 103945), (2380, 83156), (4760, 41578), (9520, 20789)]