209323520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11681}}^1$

素因数の和:11711

約数の個数: 80

約数和(自身を含む): 573632928

約数和(自身を除く): 364309408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 11681, 17920, 23362, 46724, 58405, 81767, 93448, 116810, 163534, 186896, 233620, 327068, 373792, 408835, 467240, 654136, 747584, 817670, 934480, 1308272, 1495168, 1635340, 1868960, 2616544, 2990336, 3270680, 3737920, 5233088, 5980672, 6541360, 7475840, 10466176, 13082720, 14951680, 20932352, 26165440, 29903360, 41864704, 52330880, 104661760, 209323520]

約数ペア:

[(1, 209323520), (2, 104661760), (4, 52330880), (5, 41864704), (7, 29903360), (8, 26165440), (10, 20932352), (14, 14951680), (16, 13082720), (20, 10466176), (28, 7475840), (32, 6541360), (35, 5980672), (40, 5233088), (56, 3737920), (64, 3270680), (70, 2990336), (80, 2616544), (112, 1868960), (128, 1635340), (140, 1495168), (160, 1308272), (224, 934480), (256, 817670), (280, 747584), (320, 654136), (448, 467240), (512, 408835), (560, 373792), (640, 327068), (896, 233620), (1120, 186896), (1280, 163534), (1792, 116810), (2240, 93448), (2560, 81767), (3584, 58405), (4480, 46724), (8960, 23362), (11681, 17920)]