201820280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9157}}^1$

素因数の和:9216

約数の個数: 64

約数和(自身を含む): 494532000

約数和(自身を除く): 292711720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 4408, 5510, 9157, 11020, 18314, 22040, 36628, 45785, 73256, 91570, 173983, 183140, 265553, 347966, 366280, 531106, 695932, 869915, 1062212, 1327765, 1391864, 1739830, 2124424, 2655530, 3479660, 5045507, 5311060, 6959320, 10091014, 10622120, 20182028, 25227535, 40364056, 50455070, 100910140, 201820280]

約数ペア:

[(1, 201820280), (2, 100910140), (4, 50455070), (5, 40364056), (8, 25227535), (10, 20182028), (19, 10622120), (20, 10091014), (29, 6959320), (38, 5311060), (40, 5045507), (58, 3479660), (76, 2655530), (95, 2124424), (116, 1739830), (145, 1391864), (152, 1327765), (190, 1062212), (232, 869915), (290, 695932), (380, 531106), (551, 366280), (580, 347966), (760, 265553), (1102, 183140), (1160, 173983), (2204, 91570), (2755, 73256), (4408, 45785), (5510, 36628), (9157, 22040), (11020, 18314)]