255320419250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3739}}^1\times {\mathrm{21011}}^1$

素因数の和:24780

約数の個数: 64

約数和(自身を含む): 514888133760

約数和(自身を除く): 259567714510

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 3739, 7478, 18695, 21011, 37390, 42022, 48607, 93475, 97214, 105055, 186950, 210110, 243035, 273143, 467375, 486070, 525275, 546286, 934750, 1050550, 1215175, 1365715, 2430350, 2626375, 2731430, 5252750, 6075875, 6828575, 12151750, 13657150, 34142875, 68285750, 78560129, 157120258, 392800645, 785601290, 1021281677, 1964003225, 2042563354, 3928006450, 5106408385, 9820016125, 10212816770, 19640032250, 25532041925, 51064083850, 127660209625, 255320419250]

約数ペア:

[(1, 255320419250), (2, 127660209625), (5, 51064083850), (10, 25532041925), (13, 19640032250), (25, 10212816770), (26, 9820016125), (50, 5106408385), (65, 3928006450), (125, 2042563354), (130, 1964003225), (250, 1021281677), (325, 785601290), (650, 392800645), (1625, 157120258), (3250, 78560129), (3739, 68285750), (7478, 34142875), (18695, 13657150), (21011, 12151750), (37390, 6828575), (42022, 6075875), (48607, 5252750), (93475, 2731430), (97214, 2626375), (105055, 2430350), (186950, 1365715), (210110, 1215175), (243035, 1050550), (273143, 934750), (467375, 546286), (486070, 525275)]