809261075

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 1222484256

約数和(自身を除く): 413223181

約数列:

[1, 5, 7, 25, 35, 41, 43, 61, 175, 205, 215, 287, 301, 305, 427, 1025, 1075, 1435, 1505, 1525, 1763, 1849, 2135, 2501, 2623, 7175, 7525, 8815, 9245, 10675, 12341, 12505, 12943, 13115, 17507, 18361, 44075, 46225, 61705, 62525, 64715, 65575, 75809, 87535, 91805, 107543, 112789, 308525, 323575, 379045, 437675, 459025, 530663, 537715, 563945, 752801, 789523, 1895225, 2653315, 2688575, 2819725, 3764005, 3947615, 4624349, 13266575, 18820025, 19738075, 23121745, 32370443, 115608725, 161852215, 809261075]

約数ペア:

[(1, 809261075), (5, 161852215), (7, 115608725), (25, 32370443), (35, 23121745), (41, 19738075), (43, 18820025), (61, 13266575), (175, 4624349), (205, 3947615), (215, 3764005), (287, 2819725), (301, 2688575), (305, 2653315), (427, 1895225), (1025, 789523), (1075, 752801), (1435, 563945), (1505, 537715), (1525, 530663), (1763, 459025), (1849, 437675), (2135, 379045), (2501, 323575), (2623, 308525), (7175, 112789), (7525, 107543), (8815, 91805), (9245, 87535), (10675, 75809), (12341, 65575), (12505, 64715), (12943, 62525), (13115, 61705), (17507, 46225), (18361, 44075)]