203836180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 468840960

約数和(自身を除く): 265004780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 101, 113, 188, 190, 202, 226, 235, 380, 404, 452, 470, 505, 565, 893, 940, 1010, 1130, 1786, 1919, 2020, 2147, 2260, 3572, 3838, 4294, 4465, 4747, 5311, 7676, 8588, 8930, 9494, 9595, 10622, 10735, 11413, 17860, 18988, 19190, 21244, 21470, 22826, 23735, 26555, 38380, 42940, 45652, 47470, 53110, 57065, 90193, 94940, 100909, 106220, 114130, 180386, 201818, 216847, 228260, 360772, 403636, 433694, 450965, 504545, 536411, 867388, 901930, 1009090, 1072822, 1084235, 1803860, 2018180, 2145644, 2168470, 2682055, 4336940, 5364110, 10191809, 10728220, 20383618, 40767236, 50959045, 101918090, 203836180]

約数ペア:

[(1, 203836180), (2, 101918090), (4, 50959045), (5, 40767236), (10, 20383618), (19, 10728220), (20, 10191809), (38, 5364110), (47, 4336940), (76, 2682055), (94, 2168470), (95, 2145644), (101, 2018180), (113, 1803860), (188, 1084235), (190, 1072822), (202, 1009090), (226, 901930), (235, 867388), (380, 536411), (404, 504545), (452, 450965), (470, 433694), (505, 403636), (565, 360772), (893, 228260), (940, 216847), (1010, 201818), (1130, 180386), (1786, 114130), (1919, 106220), (2020, 100909), (2147, 94940), (2260, 90193), (3572, 57065), (3838, 53110), (4294, 47470), (4465, 45652), (4747, 42940), (5311, 38380), (7676, 26555), (8588, 23735), (8930, 22826), (9494, 21470), (9595, 21244), (10622, 19190), (10735, 18988), (11413, 17860)]