251397440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{16033}}^1$

素因数の和:16064

約数の個数: 84

約数和(自身を含む): 696420756

約数和(自身を除く): 445023316

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 16033, 32066, 64132, 80165, 112231, 128264, 160330, 224462, 256528, 320660, 448924, 513056, 561155, 641320, 785617, 897848, 1026112, 1122310, 1282640, 1571234, 1795696, 2244620, 2565280, 3142468, 3591392, 3928085, 4489240, 5130560, 6284936, 7182784, 7856170, 8978480, 12569872, 15712340, 17956960, 25139744, 31424680, 35913920, 50279488, 62849360, 125698720, 251397440]

約数ペア:

[(1, 251397440), (2, 125698720), (4, 62849360), (5, 50279488), (7, 35913920), (8, 31424680), (10, 25139744), (14, 17956960), (16, 15712340), (20, 12569872), (28, 8978480), (32, 7856170), (35, 7182784), (40, 6284936), (49, 5130560), (56, 4489240), (64, 3928085), (70, 3591392), (80, 3142468), (98, 2565280), (112, 2244620), (140, 1795696), (160, 1571234), (196, 1282640), (224, 1122310), (245, 1026112), (280, 897848), (320, 785617), (392, 641320), (448, 561155), (490, 513056), (560, 448924), (784, 320660), (980, 256528), (1120, 224462), (1568, 160330), (1960, 128264), (2240, 112231), (3136, 80165), (3920, 64132), (7840, 32066), (15680, 16033)]