2017194875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 2732970240

約数和(自身を除く): 715775365

約数列:

[1, 5, 23, 25, 41, 109, 115, 125, 157, 205, 545, 575, 785, 943, 1025, 2507, 2725, 2875, 3611, 3925, 4469, 4715, 5125, 6437, 12535, 13625, 17113, 18055, 19625, 22345, 23575, 32185, 62675, 85565, 90275, 102787, 111725, 117875, 148051, 160925, 313375, 393599, 427825, 451375, 513935, 558625, 701633, 740255, 804625, 1967995, 2139125, 2569675, 3508165, 3701275, 9839975, 12848375, 16137559, 17540825, 18506375, 49199875, 80687795, 87704125, 403438975, 2017194875]

約数ペア:

[(1, 2017194875), (5, 403438975), (23, 87704125), (25, 80687795), (41, 49199875), (109, 18506375), (115, 17540825), (125, 16137559), (157, 12848375), (205, 9839975), (545, 3701275), (575, 3508165), (785, 2569675), (943, 2139125), (1025, 1967995), (2507, 804625), (2725, 740255), (2875, 701633), (3611, 558625), (3925, 513935), (4469, 451375), (4715, 427825), (5125, 393599), (6437, 313375), (12535, 160925), (13625, 148051), (17113, 117875), (18055, 111725), (19625, 102787), (22345, 90275), (23575, 85565), (32185, 62675)]