880207775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 1189209600

約数和(自身を除く): 309001825

約数列:

[1, 5, 19, 25, 47, 89, 95, 235, 443, 445, 475, 893, 1175, 1691, 2215, 2225, 4183, 4465, 8417, 8455, 11075, 20821, 20915, 22325, 39427, 42085, 42275, 79477, 104105, 104575, 197135, 210425, 395599, 397385, 520525, 749113, 985675, 1853069, 1977995, 1986925, 3745565, 9265345, 9889975, 18727825, 35208311, 46326725, 176041555, 880207775]

約数ペア:

[(1, 880207775), (5, 176041555), (19, 46326725), (25, 35208311), (47, 18727825), (89, 9889975), (95, 9265345), (235, 3745565), (443, 1986925), (445, 1977995), (475, 1853069), (893, 985675), (1175, 749113), (1691, 520525), (2215, 397385), (2225, 395599), (4183, 210425), (4465, 197135), (8417, 104575), (8455, 104105), (11075, 79477), (20821, 42275), (20915, 42085), (22325, 39427)]