201240040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{599}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 467856000

約数和(自身を除く): 266615960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 227, 296, 370, 454, 599, 740, 908, 1135, 1198, 1480, 1816, 2270, 2396, 2995, 4540, 4792, 5990, 8399, 9080, 11980, 16798, 22163, 23960, 33596, 41995, 44326, 67192, 83990, 88652, 110815, 135973, 167980, 177304, 221630, 271946, 335960, 443260, 543892, 679865, 886520, 1087784, 1359730, 2719460, 5031001, 5438920, 10062002, 20124004, 25155005, 40248008, 50310010, 100620020, 201240040]

約数ペア:

[(1, 201240040), (2, 100620020), (4, 50310010), (5, 40248008), (8, 25155005), (10, 20124004), (20, 10062002), (37, 5438920), (40, 5031001), (74, 2719460), (148, 1359730), (185, 1087784), (227, 886520), (296, 679865), (370, 543892), (454, 443260), (599, 335960), (740, 271946), (908, 221630), (1135, 177304), (1198, 167980), (1480, 135973), (1816, 110815), (2270, 88652), (2396, 83990), (2995, 67192), (4540, 44326), (4792, 41995), (5990, 33596), (8399, 23960), (9080, 22163), (11980, 16798)]