19172300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 48434400

約数和(自身を除く): 29262100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 449, 610, 700, 854, 898, 1220, 1525, 1708, 1796, 2135, 2245, 3050, 3143, 4270, 4490, 6100, 6286, 8540, 8980, 10675, 11225, 12572, 15715, 21350, 22450, 27389, 31430, 42700, 44900, 54778, 62860, 78575, 109556, 136945, 157150, 191723, 273890, 314300, 383446, 547780, 684725, 766892, 958615, 1369450, 1917230, 2738900, 3834460, 4793075, 9586150, 19172300]

約数ペア:

[(1, 19172300), (2, 9586150), (4, 4793075), (5, 3834460), (7, 2738900), (10, 1917230), (14, 1369450), (20, 958615), (25, 766892), (28, 684725), (35, 547780), (50, 383446), (61, 314300), (70, 273890), (100, 191723), (122, 157150), (140, 136945), (175, 109556), (244, 78575), (305, 62860), (350, 54778), (427, 44900), (449, 42700), (610, 31430), (700, 27389), (854, 22450), (898, 21350), (1220, 15715), (1525, 12572), (1708, 11225), (1796, 10675), (2135, 8980), (2245, 8540), (3050, 6286), (3143, 6100), (4270, 4490)]