287405940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101917}}^1$

素因数の和:101976

約数の個数: 48

約数和(自身を含む): 821866752

約数和(自身を除く): 534460812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 101917, 203834, 305751, 407668, 509585, 611502, 1019170, 1223004, 1528755, 2038340, 3057510, 4790099, 6115020, 9580198, 14370297, 19160396, 23950495, 28740594, 47900990, 57481188, 71851485, 95801980, 143702970, 287405940]

約数ペア:

[(1, 287405940), (2, 143702970), (3, 95801980), (4, 71851485), (5, 57481188), (6, 47900990), (10, 28740594), (12, 23950495), (15, 19160396), (20, 14370297), (30, 9580198), (47, 6115020), (60, 4790099), (94, 3057510), (141, 2038340), (188, 1528755), (235, 1223004), (282, 1019170), (470, 611502), (564, 509585), (705, 407668), (940, 305751), (1410, 203834), (2820, 101917)]