64741250

素因数分解:

$2^1\times 5^4\times 7^3\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 142454400

約数和(自身を除く): 77713150

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 151, 175, 245, 250, 302, 343, 350, 490, 625, 686, 755, 875, 1057, 1225, 1250, 1510, 1715, 1750, 2114, 2450, 3430, 3775, 4375, 5285, 6125, 7399, 7550, 8575, 8750, 10570, 12250, 14798, 17150, 18875, 26425, 30625, 36995, 37750, 42875, 51793, 52850, 61250, 73990, 85750, 94375, 103586, 132125, 184975, 188750, 214375, 258965, 264250, 369950, 428750, 517930, 660625, 924875, 1294825, 1321250, 1849750, 2589650, 4624375, 6474125, 9248750, 12948250, 32370625, 64741250]

約数ペア:

[(1, 64741250), (2, 32370625), (5, 12948250), (7, 9248750), (10, 6474125), (14, 4624375), (25, 2589650), (35, 1849750), (49, 1321250), (50, 1294825), (70, 924875), (98, 660625), (125, 517930), (151, 428750), (175, 369950), (245, 264250), (250, 258965), (302, 214375), (343, 188750), (350, 184975), (490, 132125), (625, 103586), (686, 94375), (755, 85750), (875, 73990), (1057, 61250), (1225, 52850), (1250, 51793), (1510, 42875), (1715, 37750), (1750, 36995), (2114, 30625), (2450, 26425), (3430, 18875), (3775, 17150), (4375, 14798), (5285, 12250), (6125, 10570), (7399, 8750), (7550, 8575)]