202467860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20369}}^1$

素因数の和:20456

約数の個数: 48

約数和(自身を含む): 492791040

約数和(自身を除く): 290323180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 20369, 40738, 81476, 101845, 142583, 203690, 285166, 407380, 570332, 712915, 1425830, 1446199, 2851660, 2892398, 5784796, 7230995, 10123393, 14461990, 20246786, 28923980, 40493572, 50616965, 101233930, 202467860]

約数ペア:

[(1, 202467860), (2, 101233930), (4, 50616965), (5, 40493572), (7, 28923980), (10, 20246786), (14, 14461990), (20, 10123393), (28, 7230995), (35, 5784796), (70, 2892398), (71, 2851660), (140, 1446199), (142, 1425830), (284, 712915), (355, 570332), (497, 407380), (710, 285166), (994, 203690), (1420, 142583), (1988, 101845), (2485, 81476), (4970, 40738), (9940, 20369)]