1216250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{139}}^1$

素因数の和:168

約数の個数: 40

約数和(自身を含む): 2624160

約数和(自身を除く): 1407910

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 139, 175, 250, 278, 350, 625, 695, 875, 973, 1250, 1390, 1750, 1946, 3475, 4375, 4865, 6950, 8750, 9730, 17375, 24325, 34750, 48650, 86875, 121625, 173750, 243250, 608125, 1216250]

約数ペア:

[(1, 1216250), (2, 608125), (5, 243250), (7, 173750), (10, 121625), (14, 86875), (25, 48650), (35, 34750), (50, 24325), (70, 17375), (125, 9730), (139, 8750), (175, 6950), (250, 4865), (278, 4375), (350, 3475), (625, 1946), (695, 1750), (875, 1390), (973, 1250)]