261970600

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 627917400

約数和(自身を除く): 365946800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 109, 122, 197, 200, 218, 244, 305, 394, 436, 488, 545, 610, 788, 872, 985, 1090, 1220, 1525, 1576, 1970, 2180, 2440, 2725, 3050, 3940, 4360, 4925, 5450, 6100, 6649, 7880, 9850, 10900, 12017, 12200, 13298, 19700, 21473, 21800, 24034, 26596, 33245, 39400, 42946, 48068, 53192, 60085, 66490, 85892, 96136, 107365, 120170, 132980, 166225, 171784, 214730, 240340, 265960, 300425, 332450, 429460, 480680, 536825, 600850, 664900, 858920, 1073650, 1201700, 1309853, 1329800, 2147300, 2403400, 2619706, 4294600, 5239412, 6549265, 10478824, 13098530, 26197060, 32746325, 52394120, 65492650, 130985300, 261970600]

約数ペア:

[(1, 261970600), (2, 130985300), (4, 65492650), (5, 52394120), (8, 32746325), (10, 26197060), (20, 13098530), (25, 10478824), (40, 6549265), (50, 5239412), (61, 4294600), (100, 2619706), (109, 2403400), (122, 2147300), (197, 1329800), (200, 1309853), (218, 1201700), (244, 1073650), (305, 858920), (394, 664900), (436, 600850), (488, 536825), (545, 480680), (610, 429460), (788, 332450), (872, 300425), (985, 265960), (1090, 240340), (1220, 214730), (1525, 171784), (1576, 166225), (1970, 132980), (2180, 120170), (2440, 107365), (2725, 96136), (3050, 85892), (3940, 66490), (4360, 60085), (4925, 53192), (5450, 48068), (6100, 42946), (6649, 39400), (7880, 33245), (9850, 26596), (10900, 24034), (12017, 21800), (12200, 21473), (13298, 19700)]