203420004520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{300757}}^1$

素因数の和:301262

約数の個数: 64

約数和(自身を含む): 471095300880

約数和(自身を除く): 267675296360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 457, 740, 914, 1480, 1828, 2285, 3656, 4570, 9140, 16909, 18280, 33818, 67636, 84545, 135272, 169090, 300757, 338180, 601514, 676360, 1203028, 1503785, 2406056, 3007570, 6015140, 11128009, 12030280, 22256018, 44512036, 55640045, 89024072, 111280090, 137445949, 222560180, 274891898, 445120360, 549783796, 687229745, 1099567592, 1374459490, 2748918980, 5085500113, 5497837960, 10171000226, 20342000452, 25427500565, 40684000904, 50855001130, 101710002260, 203420004520]

約数ペア:

[(1, 203420004520), (2, 101710002260), (4, 50855001130), (5, 40684000904), (8, 25427500565), (10, 20342000452), (20, 10171000226), (37, 5497837960), (40, 5085500113), (74, 2748918980), (148, 1374459490), (185, 1099567592), (296, 687229745), (370, 549783796), (457, 445120360), (740, 274891898), (914, 222560180), (1480, 137445949), (1828, 111280090), (2285, 89024072), (3656, 55640045), (4570, 44512036), (9140, 22256018), (16909, 12030280), (18280, 11128009), (33818, 6015140), (67636, 3007570), (84545, 2406056), (135272, 1503785), (169090, 1203028), (300757, 676360), (338180, 601514)]