31870300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4139}}^1$

素因数の和:4171

約数の個数: 72

約数和(自身を含む): 86244480

約数和(自身を除く): 54374180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 4139, 7700, 8278, 16556, 20695, 28973, 41390, 45529, 57946, 82780, 91058, 103475, 115892, 144865, 182116, 206950, 227645, 289730, 318703, 413900, 455290, 579460, 637406, 724325, 910580, 1138225, 1274812, 1448650, 1593515, 2276450, 2897300, 3187030, 4552900, 6374060, 7967575, 15935150, 31870300]

約数ペア:

[(1, 31870300), (2, 15935150), (4, 7967575), (5, 6374060), (7, 4552900), (10, 3187030), (11, 2897300), (14, 2276450), (20, 1593515), (22, 1448650), (25, 1274812), (28, 1138225), (35, 910580), (44, 724325), (50, 637406), (55, 579460), (70, 455290), (77, 413900), (100, 318703), (110, 289730), (140, 227645), (154, 206950), (175, 182116), (220, 144865), (275, 115892), (308, 103475), (350, 91058), (385, 82780), (550, 57946), (700, 45529), (770, 41390), (1100, 28973), (1540, 20695), (1925, 16556), (3850, 8278), (4139, 7700)]