201054640

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 478094400

約数和(自身を除く): 277039760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 149, 167, 202, 298, 334, 404, 505, 596, 668, 745, 808, 835, 1010, 1192, 1336, 1490, 1616, 1670, 2020, 2384, 2672, 2980, 3340, 4040, 5960, 6680, 8080, 11920, 13360, 15049, 16867, 24883, 30098, 33734, 49766, 60196, 67468, 75245, 84335, 99532, 120392, 124415, 134936, 150490, 168670, 199064, 240784, 248830, 269872, 300980, 337340, 398128, 497660, 601960, 674680, 995320, 1203920, 1349360, 1990640, 2513183, 5026366, 10052732, 12565915, 20105464, 25131830, 40210928, 50263660, 100527320, 201054640]

約数ペア:

[(1, 201054640), (2, 100527320), (4, 50263660), (5, 40210928), (8, 25131830), (10, 20105464), (16, 12565915), (20, 10052732), (40, 5026366), (80, 2513183), (101, 1990640), (149, 1349360), (167, 1203920), (202, 995320), (298, 674680), (334, 601960), (404, 497660), (505, 398128), (596, 337340), (668, 300980), (745, 269872), (808, 248830), (835, 240784), (1010, 199064), (1192, 168670), (1336, 150490), (1490, 134936), (1616, 124415), (1670, 120392), (2020, 99532), (2384, 84335), (2672, 75245), (2980, 67468), (3340, 60196), (4040, 49766), (5960, 33734), (6680, 30098), (8080, 24883), (11920, 16867), (13360, 15049)]