123744400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:533

約数の個数: 120

約数和(自身を含む): 326932200

約数和(自身を除く): 203187800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 53, 65, 80, 100, 104, 106, 130, 200, 208, 212, 260, 265, 325, 400, 424, 449, 520, 530, 650, 689, 848, 898, 1040, 1060, 1300, 1325, 1378, 1796, 2120, 2245, 2600, 2650, 2756, 3445, 3592, 4240, 4490, 5200, 5300, 5512, 5837, 6890, 7184, 8980, 10600, 11024, 11225, 11674, 13780, 17225, 17960, 21200, 22450, 23348, 23797, 27560, 29185, 34450, 35920, 44900, 46696, 47594, 55120, 58370, 68900, 89800, 93392, 95188, 116740, 118985, 137800, 145925, 179600, 190376, 233480, 237970, 275600, 291850, 309361, 380752, 466960, 475940, 583700, 594925, 618722, 951880, 1167400, 1189850, 1237444, 1546805, 1903760, 2334800, 2379700, 2474888, 3093610, 4759400, 4949776, 6187220, 7734025, 9518800, 12374440, 15468050, 24748880, 30936100, 61872200, 123744400]

約数ペア:

[(1, 123744400), (2, 61872200), (4, 30936100), (5, 24748880), (8, 15468050), (10, 12374440), (13, 9518800), (16, 7734025), (20, 6187220), (25, 4949776), (26, 4759400), (40, 3093610), (50, 2474888), (52, 2379700), (53, 2334800), (65, 1903760), (80, 1546805), (100, 1237444), (104, 1189850), (106, 1167400), (130, 951880), (200, 618722), (208, 594925), (212, 583700), (260, 475940), (265, 466960), (325, 380752), (400, 309361), (424, 291850), (449, 275600), (520, 237970), (530, 233480), (650, 190376), (689, 179600), (848, 145925), (898, 137800), (1040, 118985), (1060, 116740), (1300, 95188), (1325, 93392), (1378, 89800), (1796, 68900), (2120, 58370), (2245, 55120), (2600, 47594), (2650, 46696), (2756, 44900), (3445, 35920), (3592, 34450), (4240, 29185), (4490, 27560), (5200, 23797), (5300, 23348), (5512, 22450), (5837, 21200), (6890, 17960), (7184, 17225), (8980, 13780), (10600, 11674), (11024, 11225)]