78197960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{114997}}^1$

素因数の和:115025

約数の個数: 32

約数和(自身を含む): 186296760

約数和(自身を除く): 108098800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 114997, 229994, 459988, 574985, 919976, 1149970, 1954949, 2299940, 3909898, 4599880, 7819796, 9774745, 15639592, 19549490, 39098980, 78197960]

約数ペア:

[(1, 78197960), (2, 39098980), (4, 19549490), (5, 15639592), (8, 9774745), (10, 7819796), (17, 4599880), (20, 3909898), (34, 2299940), (40, 1954949), (68, 1149970), (85, 919976), (136, 574985), (170, 459988), (340, 229994), (680, 114997)]