87869460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209213}}^1$

素因数の和:209232

約数の個数: 48

約数和(自身を含む): 281183616

約数和(自身を除く): 193314156

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, 209213, 418426, 627639, 836852, 1046065, 1255278, 1464491, 2092130, 2510556, 2928982, 3138195, 4184260, 4393473, 5857964, 6276390, 7322455, 8786946, 12552780, 14644910, 17573892, 21967365, 29289820, 43934730, 87869460]

約数ペア:

[(1, 87869460), (2, 43934730), (3, 29289820), (4, 21967365), (5, 17573892), (6, 14644910), (7, 12552780), (10, 8786946), (12, 7322455), (14, 6276390), (15, 5857964), (20, 4393473), (21, 4184260), (28, 3138195), (30, 2928982), (35, 2510556), (42, 2092130), (60, 1464491), (70, 1255278), (84, 1046065), (105, 836852), (140, 627639), (210, 418426), (420, 209213)]