131128900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{3823}}^1$

素因数の和:3858

約数の個数: 72

約数和(自身を含む): 331923200

約数和(自身を除く): 200794300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2450, 3430, 3823, 4900, 6860, 7646, 8575, 15292, 17150, 19115, 26761, 34300, 38230, 53522, 76460, 95575, 107044, 133805, 187327, 191150, 267610, 374654, 382300, 535220, 669025, 749308, 936635, 1311289, 1338050, 1873270, 2622578, 2676100, 3746540, 4683175, 5245156, 6556445, 9366350, 13112890, 18732700, 26225780, 32782225, 65564450, 131128900]

約数ペア:

[(1, 131128900), (2, 65564450), (4, 32782225), (5, 26225780), (7, 18732700), (10, 13112890), (14, 9366350), (20, 6556445), (25, 5245156), (28, 4683175), (35, 3746540), (49, 2676100), (50, 2622578), (70, 1873270), (98, 1338050), (100, 1311289), (140, 936635), (175, 749308), (196, 669025), (245, 535220), (343, 382300), (350, 374654), (490, 267610), (686, 191150), (700, 187327), (980, 133805), (1225, 107044), (1372, 95575), (1715, 76460), (2450, 53522), (3430, 38230), (3823, 34300), (4900, 26761), (6860, 19115), (7646, 17150), (8575, 15292)]