11199620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 24893568

約数和(自身を除く): 13693948

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 251, 388, 460, 485, 502, 970, 1004, 1255, 1940, 2231, 2510, 4462, 5020, 5773, 8924, 11155, 11546, 22310, 23092, 24347, 28865, 44620, 48694, 57730, 97388, 115460, 121735, 243470, 486940, 559981, 1119962, 2239924, 2799905, 5599810, 11199620]

約数ペア:

[(1, 11199620), (2, 5599810), (4, 2799905), (5, 2239924), (10, 1119962), (20, 559981), (23, 486940), (46, 243470), (92, 121735), (97, 115460), (115, 97388), (194, 57730), (230, 48694), (251, 44620), (388, 28865), (460, 24347), (485, 23092), (502, 22310), (970, 11546), (1004, 11155), (1255, 8924), (1940, 5773), (2231, 5020), (2510, 4462)]