201879412

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 424025280

約数和(自身を除く): 222145868

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 89, 98, 142, 163, 178, 196, 284, 326, 356, 497, 623, 652, 994, 1141, 1246, 1988, 2282, 2492, 3479, 4361, 4564, 6319, 6958, 7987, 8722, 11573, 12638, 13916, 14507, 15974, 17444, 23146, 25276, 29014, 31948, 44233, 46292, 58028, 81011, 88466, 101549, 162022, 176932, 203098, 309631, 324044, 406196, 567077, 619262, 710843, 1029997, 1134154, 1238524, 1421686, 2059994, 2268308, 2843372, 4119988, 7209979, 14419958, 28839916, 50469853, 100939706, 201879412]

約数ペア:

[(1, 201879412), (2, 100939706), (4, 50469853), (7, 28839916), (14, 14419958), (28, 7209979), (49, 4119988), (71, 2843372), (89, 2268308), (98, 2059994), (142, 1421686), (163, 1238524), (178, 1134154), (196, 1029997), (284, 710843), (326, 619262), (356, 567077), (497, 406196), (623, 324044), (652, 309631), (994, 203098), (1141, 176932), (1246, 162022), (1988, 101549), (2282, 88466), (2492, 81011), (3479, 58028), (4361, 46292), (4564, 44233), (6319, 31948), (6958, 29014), (7987, 25276), (8722, 23146), (11573, 17444), (12638, 15974), (13916, 14507)]