1258460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 3084480

約数和(自身を除く): 1826020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 101, 140, 178, 202, 356, 404, 445, 505, 623, 707, 890, 1010, 1246, 1414, 1780, 2020, 2492, 2828, 3115, 3535, 6230, 7070, 8989, 12460, 14140, 17978, 35956, 44945, 62923, 89890, 125846, 179780, 251692, 314615, 629230, 1258460]

約数ペア:

[(1, 1258460), (2, 629230), (4, 314615), (5, 251692), (7, 179780), (10, 125846), (14, 89890), (20, 62923), (28, 44945), (35, 35956), (70, 17978), (89, 14140), (101, 12460), (140, 8989), (178, 7070), (202, 6230), (356, 3535), (404, 3115), (445, 2828), (505, 2492), (623, 2020), (707, 1780), (890, 1414), (1010, 1246)]