2100436940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73907}}^1$

素因数の和:73959

約数の個数: 72

約数和(自身を含む): 5308072560

約数和(自身を除く): 3207635620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 28420, 73907, 147814, 295628, 369535, 517349, 739070, 1034698, 1478140, 2069396, 2143303, 2586745, 3621443, 4286606, 5173490, 7242886, 8573212, 10346980, 10716515, 14485772, 15003121, 18107215, 21433030, 30006242, 36214430, 42866060, 60012484, 72428860, 75015605, 105021847, 150031210, 210043694, 300062420, 420087388, 525109235, 1050218470, 2100436940]

約数ペア:

[(1, 2100436940), (2, 1050218470), (4, 525109235), (5, 420087388), (7, 300062420), (10, 210043694), (14, 150031210), (20, 105021847), (28, 75015605), (29, 72428860), (35, 60012484), (49, 42866060), (58, 36214430), (70, 30006242), (98, 21433030), (116, 18107215), (140, 15003121), (145, 14485772), (196, 10716515), (203, 10346980), (245, 8573212), (290, 7242886), (406, 5173490), (490, 4286606), (580, 3621443), (812, 2586745), (980, 2143303), (1015, 2069396), (1421, 1478140), (2030, 1034698), (2842, 739070), (4060, 517349), (5684, 369535), (7105, 295628), (14210, 147814), (28420, 73907)]