201997557620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1\times {\mathrm{210761}}^1$

素因数の和:211220

約数の個数: 48

約数和(自身を含む): 428189137488

約数和(自身を除く): 226191579868

約数列:

[1, 2, 4, 5, 10, 20, 173, 277, 346, 554, 692, 865, 1108, 1385, 1730, 2770, 3460, 5540, 47921, 95842, 191684, 210761, 239605, 421522, 479210, 843044, 958420, 1053805, 2107610, 4215220, 36461653, 58380797, 72923306, 116761594, 145846612, 182308265, 233523188, 291903985, 364616530, 583807970, 729233060, 1167615940, 10099877881, 20199755762, 40399511524, 50499389405, 100998778810, 201997557620]

約数ペア:

[(1, 201997557620), (2, 100998778810), (4, 50499389405), (5, 40399511524), (10, 20199755762), (20, 10099877881), (173, 1167615940), (277, 729233060), (346, 583807970), (554, 364616530), (692, 291903985), (865, 233523188), (1108, 182308265), (1385, 145846612), (1730, 116761594), (2770, 72923306), (3460, 58380797), (5540, 36461653), (47921, 4215220), (95842, 2107610), (191684, 1053805), (210761, 958420), (239605, 843044), (421522, 479210)]