214919020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 459839520

約数和(自身を除く): 244920500

約数列:

[1, 2, 4, 5, 10, 20, 97, 139, 194, 278, 388, 485, 556, 695, 797, 970, 1390, 1594, 1940, 2780, 3188, 3985, 7970, 13483, 15940, 26966, 53932, 67415, 77309, 110783, 134830, 154618, 221566, 269660, 309236, 386545, 443132, 553915, 773090, 1107830, 1546180, 2215660, 10745951, 21491902, 42983804, 53729755, 107459510, 214919020]

約数ペア:

[(1, 214919020), (2, 107459510), (4, 53729755), (5, 42983804), (10, 21491902), (20, 10745951), (97, 2215660), (139, 1546180), (194, 1107830), (278, 773090), (388, 553915), (485, 443132), (556, 386545), (695, 309236), (797, 269660), (970, 221566), (1390, 154618), (1594, 134830), (1940, 110783), (2780, 77309), (3188, 67415), (3985, 53932), (7970, 26966), (13483, 15940)]