248850640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{100343}}^1$

素因数の和:100387

約数の個数: 40

約数和(自身を含む): 597247488

約数和(自身を除く): 348396848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 100343, 200686, 401372, 501715, 802744, 1003430, 1605488, 2006860, 3110633, 4013720, 6221266, 8027440, 12442532, 15553165, 24885064, 31106330, 49770128, 62212660, 124425320, 248850640]

約数ペア:

[(1, 248850640), (2, 124425320), (4, 62212660), (5, 49770128), (8, 31106330), (10, 24885064), (16, 15553165), (20, 12442532), (31, 8027440), (40, 6221266), (62, 4013720), (80, 3110633), (124, 2006860), (155, 1605488), (248, 1003430), (310, 802744), (496, 501715), (620, 401372), (1240, 200686), (2480, 100343)]