1974920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 4498200

約数和(自身を除く): 2523280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 509, 776, 970, 1018, 1940, 2036, 2545, 3880, 4072, 5090, 10180, 20360, 49373, 98746, 197492, 246865, 394984, 493730, 987460, 1974920]

約数ペア:

[(1, 1974920), (2, 987460), (4, 493730), (5, 394984), (8, 246865), (10, 197492), (20, 98746), (40, 49373), (97, 20360), (194, 10180), (388, 5090), (485, 4072), (509, 3880), (776, 2545), (970, 2036), (1018, 1940)]