145367320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{74167}}^1$

素因数の和:74192

約数の個数: 48

約数和(自身を含む): 380481840

約数和(自身を除く): 235114520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 74167, 148334, 296668, 370835, 519169, 593336, 741670, 1038338, 1483340, 2076676, 2595845, 2966680, 3634183, 4153352, 5191690, 7268366, 10383380, 14536732, 18170915, 20766760, 29073464, 36341830, 72683660, 145367320]

約数ペア:

[(1, 145367320), (2, 72683660), (4, 36341830), (5, 29073464), (7, 20766760), (8, 18170915), (10, 14536732), (14, 10383380), (20, 7268366), (28, 5191690), (35, 4153352), (40, 3634183), (49, 2966680), (56, 2595845), (70, 2076676), (98, 1483340), (140, 1038338), (196, 741670), (245, 593336), (280, 519169), (392, 370835), (490, 296668), (980, 148334), (1960, 74167)]