19424476900

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{439}}^1\times {\mathrm{1051}}^1$

素因数の和:1925

約数の個数: 72

約数和(自身を含む): 42387773120

約数和(自身を除く): 22963296220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 439, 842, 878, 1051, 1684, 1756, 2102, 2105, 2195, 4204, 4210, 4390, 5255, 8420, 8780, 10510, 10525, 10975, 21020, 21050, 21950, 26275, 42100, 43900, 52550, 105100, 184819, 369638, 442471, 461389, 739276, 884942, 922778, 924095, 1769884, 1845556, 1848190, 2212355, 2306945, 3696380, 4424710, 4613890, 4620475, 8849420, 9227780, 9240950, 11061775, 11534725, 18481900, 22123550, 23069450, 44247100, 46138900, 194244769, 388489538, 776979076, 971223845, 1942447690, 3884895380, 4856119225, 9712238450, 19424476900]

約数ペア:

[(1, 19424476900), (2, 9712238450), (4, 4856119225), (5, 3884895380), (10, 1942447690), (20, 971223845), (25, 776979076), (50, 388489538), (100, 194244769), (421, 46138900), (439, 44247100), (842, 23069450), (878, 22123550), (1051, 18481900), (1684, 11534725), (1756, 11061775), (2102, 9240950), (2105, 9227780), (2195, 8849420), (4204, 4620475), (4210, 4613890), (4390, 4424710), (5255, 3696380), (8420, 2306945), (8780, 2212355), (10510, 1848190), (10525, 1845556), (10975, 1769884), (21020, 924095), (21050, 922778), (21950, 884942), (26275, 739276), (42100, 461389), (43900, 442471), (52550, 369638), (105100, 184819)]