201419900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2579}}^1$

素因数の和:2675

約数の個数: 72

約数和(自身を含む): 483719040

約数和(自身を除く): 282299140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 284, 355, 550, 710, 781, 1100, 1420, 1562, 1775, 2579, 3124, 3550, 3905, 5158, 7100, 7810, 10316, 12895, 15620, 19525, 25790, 28369, 39050, 51580, 56738, 64475, 78100, 113476, 128950, 141845, 183109, 257900, 283690, 366218, 567380, 709225, 732436, 915545, 1418450, 1831090, 2014199, 2836900, 3662180, 4028398, 4577725, 8056796, 9155450, 10070995, 18310900, 20141990, 40283980, 50354975, 100709950, 201419900]

約数ペア:

[(1, 201419900), (2, 100709950), (4, 50354975), (5, 40283980), (10, 20141990), (11, 18310900), (20, 10070995), (22, 9155450), (25, 8056796), (44, 4577725), (50, 4028398), (55, 3662180), (71, 2836900), (100, 2014199), (110, 1831090), (142, 1418450), (220, 915545), (275, 732436), (284, 709225), (355, 567380), (550, 366218), (710, 283690), (781, 257900), (1100, 183109), (1420, 141845), (1562, 128950), (1775, 113476), (2579, 78100), (3124, 64475), (3550, 56738), (3905, 51580), (5158, 39050), (7100, 28369), (7810, 25790), (10316, 19525), (12895, 15620)]