197542760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{37699}}^1$

素因数の和:37841

約数の個数: 32

約数和(自身を含む): 447876000

約数和(自身を除く): 250333240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 37699, 75398, 150796, 188495, 301592, 376990, 753980, 1507960, 4938569, 9877138, 19754276, 24692845, 39508552, 49385690, 98771380, 197542760]

約数ペア:

[(1, 197542760), (2, 98771380), (4, 49385690), (5, 39508552), (8, 24692845), (10, 19754276), (20, 9877138), (40, 4938569), (131, 1507960), (262, 753980), (524, 376990), (655, 301592), (1048, 188495), (1310, 150796), (2620, 75398), (5240, 37699)]