128557625

素因数分解:

$5^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 189221760

約数和(自身を除く): 60664135

約数列:

[1, 5, 7, 25, 35, 49, 125, 139, 151, 175, 245, 695, 755, 875, 973, 1057, 1225, 3475, 3775, 4865, 5285, 6125, 6811, 7399, 17375, 18875, 20989, 24325, 26425, 34055, 36995, 104945, 121625, 132125, 146923, 170275, 184975, 524725, 734615, 851375, 924875, 1028461, 2623625, 3673075, 5142305, 18365375, 25711525, 128557625]

約数ペア:

[(1, 128557625), (5, 25711525), (7, 18365375), (25, 5142305), (35, 3673075), (49, 2623625), (125, 1028461), (139, 924875), (151, 851375), (175, 734615), (245, 524725), (695, 184975), (755, 170275), (875, 146923), (973, 132125), (1057, 121625), (1225, 104945), (3475, 36995), (3775, 34055), (4865, 26425), (5285, 24325), (6125, 20989), (6811, 18875), (7399, 17375)]