203820980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{48761}}^1$

素因数の和:48800

約数の個数: 48

約数和(自身を含む): 491520960

約数和(自身を除く): 287699980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 48761, 97522, 195044, 243805, 487610, 536371, 926459, 975220, 1072742, 1852918, 2145484, 2681855, 3705836, 4632295, 5363710, 9264590, 10191049, 10727420, 18529180, 20382098, 40764196, 50955245, 101910490, 203820980]

約数ペア:

[(1, 203820980), (2, 101910490), (4, 50955245), (5, 40764196), (10, 20382098), (11, 18529180), (19, 10727420), (20, 10191049), (22, 9264590), (38, 5363710), (44, 4632295), (55, 3705836), (76, 2681855), (95, 2145484), (110, 1852918), (190, 1072742), (209, 975220), (220, 926459), (380, 536371), (418, 487610), (836, 243805), (1045, 195044), (2090, 97522), (4180, 48761)]