1657486540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{1613}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 3514129920

約数和(自身を除く): 1856643380

約数列:

[1, 2, 4, 5, 10, 20, 191, 269, 382, 538, 764, 955, 1076, 1345, 1613, 1910, 2690, 3226, 3820, 5380, 6452, 8065, 16130, 32260, 51379, 102758, 205516, 256895, 308083, 433897, 513790, 616166, 867794, 1027580, 1232332, 1540415, 1735588, 2169485, 3080830, 4338970, 6161660, 8677940, 82874327, 165748654, 331497308, 414371635, 828743270, 1657486540]

約数ペア:

[(1, 1657486540), (2, 828743270), (4, 414371635), (5, 331497308), (10, 165748654), (20, 82874327), (191, 8677940), (269, 6161660), (382, 4338970), (538, 3080830), (764, 2169485), (955, 1735588), (1076, 1540415), (1345, 1232332), (1613, 1027580), (1910, 867794), (2690, 616166), (3226, 513790), (3820, 433897), (5380, 308083), (6452, 256895), (8065, 205516), (16130, 102758), (32260, 51379)]