289454900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1063}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 720370560

約数和(自身を除く): 430915660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 389, 700, 778, 1063, 1556, 1945, 2126, 2723, 3890, 4252, 5315, 5446, 7441, 7780, 9725, 10630, 10892, 13615, 14882, 19450, 21260, 26575, 27230, 29764, 37205, 38900, 53150, 54460, 68075, 74410, 106300, 136150, 148820, 186025, 272300, 372050, 413507, 744100, 827014, 1654028, 2067535, 2894549, 4135070, 5789098, 8270140, 10337675, 11578196, 14472745, 20675350, 28945490, 41350700, 57890980, 72363725, 144727450, 289454900]

約数ペア:

[(1, 289454900), (2, 144727450), (4, 72363725), (5, 57890980), (7, 41350700), (10, 28945490), (14, 20675350), (20, 14472745), (25, 11578196), (28, 10337675), (35, 8270140), (50, 5789098), (70, 4135070), (100, 2894549), (140, 2067535), (175, 1654028), (350, 827014), (389, 744100), (700, 413507), (778, 372050), (1063, 272300), (1556, 186025), (1945, 148820), (2126, 136150), (2723, 106300), (3890, 74410), (4252, 68075), (5315, 54460), (5446, 53150), (7441, 38900), (7780, 37205), (9725, 29764), (10630, 27230), (10892, 26575), (13615, 21260), (14882, 19450)]