78889300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 196862400

約数和(自身を除く): 117973100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 251, 350, 449, 502, 700, 898, 1004, 1255, 1757, 1796, 2245, 2510, 3143, 3514, 4490, 5020, 6275, 6286, 7028, 8785, 8980, 11225, 12550, 12572, 15715, 17570, 22450, 25100, 31430, 35140, 43925, 44900, 62860, 78575, 87850, 112699, 157150, 175700, 225398, 314300, 450796, 563495, 788893, 1126990, 1577786, 2253980, 2817475, 3155572, 3944465, 5634950, 7888930, 11269900, 15777860, 19722325, 39444650, 78889300]

約数ペア:

[(1, 78889300), (2, 39444650), (4, 19722325), (5, 15777860), (7, 11269900), (10, 7888930), (14, 5634950), (20, 3944465), (25, 3155572), (28, 2817475), (35, 2253980), (50, 1577786), (70, 1126990), (100, 788893), (140, 563495), (175, 450796), (251, 314300), (350, 225398), (449, 175700), (502, 157150), (700, 112699), (898, 87850), (1004, 78575), (1255, 62860), (1757, 44900), (1796, 43925), (2245, 35140), (2510, 31430), (3143, 25100), (3514, 22450), (4490, 17570), (5020, 15715), (6275, 12572), (6286, 12550), (7028, 11225), (8785, 8980)]