99887420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 216609120

約数和(自身を除く): 116721700

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 347, 370, 389, 694, 740, 778, 1388, 1556, 1735, 1945, 3470, 3890, 6940, 7780, 12839, 14393, 25678, 28786, 51356, 57572, 64195, 71965, 128390, 134983, 143930, 256780, 269966, 287860, 539932, 674915, 1349830, 2699660, 4994371, 9988742, 19977484, 24971855, 49943710, 99887420]

約数ペア:

[(1, 99887420), (2, 49943710), (4, 24971855), (5, 19977484), (10, 9988742), (20, 4994371), (37, 2699660), (74, 1349830), (148, 674915), (185, 539932), (347, 287860), (370, 269966), (389, 256780), (694, 143930), (740, 134983), (778, 128390), (1388, 71965), (1556, 64195), (1735, 57572), (1945, 51356), (3470, 28786), (3890, 25678), (6940, 14393), (7780, 12839)]