78437200

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1424

約数の個数: 60

約数和(自身を含む): 189797500

約数和(自身を除く): 111360300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1249, 1256, 1570, 2498, 2512, 3140, 3925, 4996, 6245, 6280, 7850, 9992, 12490, 12560, 15700, 19984, 24980, 31225, 31400, 49960, 62450, 62800, 99920, 124900, 196093, 249800, 392186, 499600, 784372, 980465, 1568744, 1960930, 3137488, 3921860, 4902325, 7843720, 9804650, 15687440, 19609300, 39218600, 78437200]

約数ペア:

[(1, 78437200), (2, 39218600), (4, 19609300), (5, 15687440), (8, 9804650), (10, 7843720), (16, 4902325), (20, 3921860), (25, 3137488), (40, 1960930), (50, 1568744), (80, 980465), (100, 784372), (157, 499600), (200, 392186), (314, 249800), (400, 196093), (628, 124900), (785, 99920), (1249, 62800), (1256, 62450), (1570, 49960), (2498, 31400), (2512, 31225), (3140, 24980), (3925, 19984), (4996, 15700), (6245, 12560), (6280, 12490), (7850, 9992)]