30454900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 76314560

約数和(自身を除く): 45859660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 139, 140, 175, 278, 313, 350, 556, 626, 695, 700, 973, 1252, 1390, 1565, 1946, 2191, 2780, 3130, 3475, 3892, 4382, 4865, 6260, 6950, 7825, 8764, 9730, 10955, 13900, 15650, 19460, 21910, 24325, 31300, 43507, 43820, 48650, 54775, 87014, 97300, 109550, 174028, 217535, 219100, 304549, 435070, 609098, 870140, 1087675, 1218196, 1522745, 2175350, 3045490, 4350700, 6090980, 7613725, 15227450, 30454900]

約数ペア:

[(1, 30454900), (2, 15227450), (4, 7613725), (5, 6090980), (7, 4350700), (10, 3045490), (14, 2175350), (20, 1522745), (25, 1218196), (28, 1087675), (35, 870140), (50, 609098), (70, 435070), (100, 304549), (139, 219100), (140, 217535), (175, 174028), (278, 109550), (313, 97300), (350, 87014), (556, 54775), (626, 48650), (695, 43820), (700, 43507), (973, 31300), (1252, 24325), (1390, 21910), (1565, 19460), (1946, 15650), (2191, 13900), (2780, 10955), (3130, 9730), (3475, 8764), (3892, 7825), (4382, 6950), (4865, 6260)]