51666700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 119992320

約数和(自身を除く): 68325620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 383, 475, 710, 766, 950, 1349, 1420, 1532, 1775, 1900, 1915, 2698, 3550, 3830, 5396, 6745, 7100, 7277, 7660, 9575, 13490, 14554, 19150, 26980, 27193, 29108, 33725, 36385, 38300, 54386, 67450, 72770, 108772, 134900, 135965, 145540, 181925, 271930, 363850, 516667, 543860, 679825, 727700, 1033334, 1359650, 2066668, 2583335, 2719300, 5166670, 10333340, 12916675, 25833350, 51666700]

約数ペア:

[(1, 51666700), (2, 25833350), (4, 12916675), (5, 10333340), (10, 5166670), (19, 2719300), (20, 2583335), (25, 2066668), (38, 1359650), (50, 1033334), (71, 727700), (76, 679825), (95, 543860), (100, 516667), (142, 363850), (190, 271930), (284, 181925), (355, 145540), (380, 135965), (383, 134900), (475, 108772), (710, 72770), (766, 67450), (950, 54386), (1349, 38300), (1420, 36385), (1532, 33725), (1775, 29108), (1900, 27193), (1915, 26980), (2698, 19150), (3550, 14554), (3830, 13490), (5396, 9575), (6745, 7660), (7100, 7277)]