50721100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 114836400

約数和(自身を除く): 64115300

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 89, 100, 139, 164, 178, 205, 278, 356, 410, 445, 556, 695, 820, 890, 1025, 1390, 1780, 2050, 2225, 2780, 3475, 3649, 4100, 4450, 5699, 6950, 7298, 8900, 11398, 12371, 13900, 14596, 18245, 22796, 24742, 28495, 36490, 49484, 56990, 61855, 72980, 91225, 113980, 123710, 142475, 182450, 247420, 284950, 309275, 364900, 507211, 569900, 618550, 1014422, 1237100, 2028844, 2536055, 5072110, 10144220, 12680275, 25360550, 50721100]

約数ペア:

[(1, 50721100), (2, 25360550), (4, 12680275), (5, 10144220), (10, 5072110), (20, 2536055), (25, 2028844), (41, 1237100), (50, 1014422), (82, 618550), (89, 569900), (100, 507211), (139, 364900), (164, 309275), (178, 284950), (205, 247420), (278, 182450), (356, 142475), (410, 123710), (445, 113980), (556, 91225), (695, 72980), (820, 61855), (890, 56990), (1025, 49484), (1390, 36490), (1780, 28495), (2050, 24742), (2225, 22796), (2780, 18245), (3475, 14596), (3649, 13900), (4100, 12371), (4450, 11398), (5699, 8900), (6950, 7298)]