203455840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25951}}^1$

素因数の和:25980

約数の個数: 72

約数和(自身を含む): 559161792

約数和(自身を除く): 355705952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25951, 51902, 103804, 129755, 181657, 207608, 259510, 363314, 415216, 519020, 726628, 830432, 908285, 1038040, 1271599, 1453256, 1816570, 2076080, 2543198, 2906512, 3633140, 4152160, 5086396, 5813024, 6357995, 7266280, 10172792, 12715990, 14532560, 20345584, 25431980, 29065120, 40691168, 50863960, 101727920, 203455840]

約数ペア:

[(1, 203455840), (2, 101727920), (4, 50863960), (5, 40691168), (7, 29065120), (8, 25431980), (10, 20345584), (14, 14532560), (16, 12715990), (20, 10172792), (28, 7266280), (32, 6357995), (35, 5813024), (40, 5086396), (49, 4152160), (56, 3633140), (70, 2906512), (80, 2543198), (98, 2076080), (112, 1816570), (140, 1453256), (160, 1271599), (196, 1038040), (224, 908285), (245, 830432), (280, 726628), (392, 519020), (490, 415216), (560, 363314), (784, 259510), (980, 207608), (1120, 181657), (1568, 129755), (1960, 103804), (3920, 51902), (7840, 25951)]