400824410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{3259}}^1$

素因数の和:3531

約数の個数: 48

約数和(自身を含む): 842879520

約数和(自身を除く): 442055110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 251, 490, 502, 1255, 1757, 2510, 3259, 3514, 6518, 8785, 12299, 16295, 17570, 22813, 24598, 32590, 45626, 61495, 114065, 122990, 159691, 228130, 319382, 798455, 818009, 1596910, 1636018, 4090045, 5726063, 8180090, 11452126, 28630315, 40082441, 57260630, 80164882, 200412205, 400824410]

約数ペア:

[(1, 400824410), (2, 200412205), (5, 80164882), (7, 57260630), (10, 40082441), (14, 28630315), (35, 11452126), (49, 8180090), (70, 5726063), (98, 4090045), (245, 1636018), (251, 1596910), (490, 818009), (502, 798455), (1255, 319382), (1757, 228130), (2510, 159691), (3259, 122990), (3514, 114065), (6518, 61495), (8785, 45626), (12299, 32590), (16295, 24598), (17570, 22813)]