858679780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{60727}}^1$

素因数の和:60844

約数の個数: 48

約数和(自身を含む): 2081270016

約数和(自身を除く): 1222590236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 60727, 121454, 242908, 303635, 425089, 607270, 850178, 1214540, 1700356, 2125445, 4250890, 6133427, 8501780, 12266854, 24533708, 30667135, 42933989, 61334270, 85867978, 122668540, 171735956, 214669945, 429339890, 858679780]

約数ペア:

[(1, 858679780), (2, 429339890), (4, 214669945), (5, 171735956), (7, 122668540), (10, 85867978), (14, 61334270), (20, 42933989), (28, 30667135), (35, 24533708), (70, 12266854), (101, 8501780), (140, 6133427), (202, 4250890), (404, 2125445), (505, 1700356), (707, 1214540), (1010, 850178), (1414, 607270), (2020, 425089), (2828, 303635), (3535, 242908), (7070, 121454), (14140, 60727)]