251625920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8641}}^1$

素因数の和:8678

約数の個数: 112

約数和(自身を含む): 737542848

約数和(自身を除く): 485916928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 8641, 14560, 17282, 29120, 34564, 43205, 60487, 69128, 86410, 112333, 120974, 138256, 172820, 224666, 241948, 276512, 302435, 345640, 449332, 483896, 553024, 561665, 604870, 691280, 786331, 898664, 967792, 1123330, 1209740, 1382560, 1572662, 1797328, 1935584, 2246660, 2419480, 2765120, 3145324, 3594656, 3871168, 3931655, 4493320, 4838960, 6290648, 7189312, 7863310, 8986640, 9677920, 12581296, 15726620, 17973280, 19355840, 25162592, 31453240, 35946560, 50325184, 62906480, 125812960, 251625920]

約数ペア:

[(1, 251625920), (2, 125812960), (4, 62906480), (5, 50325184), (7, 35946560), (8, 31453240), (10, 25162592), (13, 19355840), (14, 17973280), (16, 15726620), (20, 12581296), (26, 9677920), (28, 8986640), (32, 7863310), (35, 7189312), (40, 6290648), (52, 4838960), (56, 4493320), (64, 3931655), (65, 3871168), (70, 3594656), (80, 3145324), (91, 2765120), (104, 2419480), (112, 2246660), (130, 1935584), (140, 1797328), (160, 1572662), (182, 1382560), (208, 1209740), (224, 1123330), (260, 967792), (280, 898664), (320, 786331), (364, 691280), (416, 604870), (448, 561665), (455, 553024), (520, 483896), (560, 449332), (728, 345640), (832, 302435), (910, 276512), (1040, 241948), (1120, 224666), (1456, 172820), (1820, 138256), (2080, 120974), (2240, 112333), (2912, 86410), (3640, 69128), (4160, 60487), (5824, 43205), (7280, 34564), (8641, 29120), (14560, 17282)]