1992125860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{2753}}^1$

素因数の和:3232

約数の個数: 48

約数和(自身を含む): 4239463536

約数和(自身を除く): 2247337676

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 373, 388, 485, 746, 970, 1492, 1865, 1940, 2753, 3730, 5506, 7460, 11012, 13765, 27530, 36181, 55060, 72362, 144724, 180905, 267041, 361810, 534082, 723620, 1026869, 1068164, 1335205, 2053738, 2670410, 4107476, 5134345, 5340820, 10268690, 20537380, 99606293, 199212586, 398425172, 498031465, 996062930, 1992125860]

約数ペア:

[(1, 1992125860), (2, 996062930), (4, 498031465), (5, 398425172), (10, 199212586), (20, 99606293), (97, 20537380), (194, 10268690), (373, 5340820), (388, 5134345), (485, 4107476), (746, 2670410), (970, 2053738), (1492, 1335205), (1865, 1068164), (1940, 1026869), (2753, 723620), (3730, 534082), (5506, 361810), (7460, 267041), (11012, 180905), (13765, 144724), (27530, 72362), (36181, 55060)]