200105980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25589}}^1$

素因数の和:25638

約数の個数: 48

約数和(自身を含む): 464304960

約数和(自身を除く): 264198980

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 25589, 51178, 102356, 127945, 255890, 435013, 511780, 588547, 870026, 1177094, 1740052, 2175065, 2354188, 2942735, 4350130, 5885470, 8700260, 10005299, 11770940, 20010598, 40021196, 50026495, 100052990, 200105980]

約数ペア:

[(1, 200105980), (2, 100052990), (4, 50026495), (5, 40021196), (10, 20010598), (17, 11770940), (20, 10005299), (23, 8700260), (34, 5885470), (46, 4350130), (68, 2942735), (85, 2354188), (92, 2175065), (115, 1740052), (170, 1177094), (230, 870026), (340, 588547), (391, 511780), (460, 435013), (782, 255890), (1564, 127945), (1955, 102356), (3910, 51178), (7820, 25589)]