397908500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{6577}}^1$

素因数の和:6618

約数の個数: 72

約数和(自身を含む): 955362408

約数和(自身を除く): 557453908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 484, 500, 550, 605, 1100, 1210, 1375, 2420, 2750, 3025, 5500, 6050, 6577, 12100, 13154, 15125, 26308, 30250, 32885, 60500, 65770, 72347, 131540, 144694, 164425, 289388, 328850, 361735, 657700, 723470, 795817, 822125, 1446940, 1591634, 1644250, 1808675, 3183268, 3288500, 3617350, 3979085, 7234700, 7958170, 9043375, 15916340, 18086750, 19895425, 36173500, 39790850, 79581700, 99477125, 198954250, 397908500]

約数ペア:

[(1, 397908500), (2, 198954250), (4, 99477125), (5, 79581700), (10, 39790850), (11, 36173500), (20, 19895425), (22, 18086750), (25, 15916340), (44, 9043375), (50, 7958170), (55, 7234700), (100, 3979085), (110, 3617350), (121, 3288500), (125, 3183268), (220, 1808675), (242, 1644250), (250, 1591634), (275, 1446940), (484, 822125), (500, 795817), (550, 723470), (605, 657700), (1100, 361735), (1210, 328850), (1375, 289388), (2420, 164425), (2750, 144694), (3025, 131540), (5500, 72347), (6050, 65770), (6577, 60500), (12100, 32885), (13154, 30250), (15125, 26308)]