256225850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3119}}^1$

素因数の和:3215

約数の個数: 48

約数和(自身を含む): 501396480

約数和(自身を除く): 245170630

約数列:

[1, 2, 5, 10, 25, 31, 50, 53, 62, 106, 155, 265, 310, 530, 775, 1325, 1550, 1643, 2650, 3119, 3286, 6238, 8215, 15595, 16430, 31190, 41075, 77975, 82150, 96689, 155950, 165307, 193378, 330614, 483445, 826535, 966890, 1653070, 2417225, 4132675, 4834450, 5124517, 8265350, 10249034, 25622585, 51245170, 128112925, 256225850]

約数ペア:

[(1, 256225850), (2, 128112925), (5, 51245170), (10, 25622585), (25, 10249034), (31, 8265350), (50, 5124517), (53, 4834450), (62, 4132675), (106, 2417225), (155, 1653070), (265, 966890), (310, 826535), (530, 483445), (775, 330614), (1325, 193378), (1550, 165307), (1643, 155950), (2650, 96689), (3119, 82150), (3286, 77975), (6238, 41075), (8215, 31190), (15595, 16430)]