200262020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 492350040

約数和(自身を除く): 292088020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 362, 490, 724, 905, 980, 1129, 1267, 1810, 2258, 2534, 3620, 4516, 5068, 5645, 6335, 7903, 8869, 11290, 12670, 15806, 17738, 22580, 25340, 31612, 35476, 39515, 44345, 55321, 79030, 88690, 110642, 158060, 177380, 204349, 221284, 276605, 408698, 553210, 817396, 1021745, 1106420, 1430443, 2043490, 2860886, 4086980, 5721772, 7152215, 10013101, 14304430, 20026202, 28608860, 40052404, 50065505, 100131010, 200262020]

約数ペア:

[(1, 200262020), (2, 100131010), (4, 50065505), (5, 40052404), (7, 28608860), (10, 20026202), (14, 14304430), (20, 10013101), (28, 7152215), (35, 5721772), (49, 4086980), (70, 2860886), (98, 2043490), (140, 1430443), (181, 1106420), (196, 1021745), (245, 817396), (362, 553210), (490, 408698), (724, 276605), (905, 221284), (980, 204349), (1129, 177380), (1267, 158060), (1810, 110642), (2258, 88690), (2534, 79030), (3620, 55321), (4516, 44345), (5068, 39515), (5645, 35476), (6335, 31612), (7903, 25340), (8869, 22580), (11290, 17738), (12670, 15806)]