87864420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209201}}^1$

素因数の和:209220

約数の個数: 48

約数和(自身を含む): 281167488

約数和(自身を除く): 193303068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 209201, 418402, 627603, 836804, 1046005, 1255206, 1464407, 2092010, 2510412, 2928814, 3138015, 4184020, 4393221, 5857628, 6276030, 7322035, 8786442, 12552060, 14644070, 17572884, 21966105, 29288140, 43932210, 87864420]

約数ペア:

[(1, 87864420), (2, 43932210), (3, 29288140), (4, 21966105), (5, 17572884), (6, 14644070), (7, 12552060), (10, 8786442), (12, 7322035), (14, 6276030), (15, 5857628), (20, 4393221), (21, 4184020), (28, 3138015), (30, 2928814), (35, 2510412), (42, 2092010), (60, 1464407), (70, 1255206), (84, 1046005), (105, 836804), (140, 627603), (210, 418402), (420, 209201)]