245068880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{877}}^1$

素因数の和:1396

約数の個数: 80

約数和(自身を含む): 653232000

約数和(自身を除く): 408163120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 499, 560, 877, 998, 1754, 1996, 2495, 3493, 3508, 3992, 4385, 4990, 6139, 6986, 7016, 7984, 8770, 9980, 12278, 13972, 14032, 17465, 17540, 19960, 24556, 27944, 30695, 34930, 35080, 39920, 49112, 55888, 61390, 69860, 70160, 98224, 122780, 139720, 245560, 279440, 437623, 491120, 875246, 1750492, 2188115, 3063361, 3500984, 4376230, 6126722, 7001968, 8752460, 12253444, 15316805, 17504920, 24506888, 30633610, 35009840, 49013776, 61267220, 122534440, 245068880]

約数ペア:

[(1, 245068880), (2, 122534440), (4, 61267220), (5, 49013776), (7, 35009840), (8, 30633610), (10, 24506888), (14, 17504920), (16, 15316805), (20, 12253444), (28, 8752460), (35, 7001968), (40, 6126722), (56, 4376230), (70, 3500984), (80, 3063361), (112, 2188115), (140, 1750492), (280, 875246), (499, 491120), (560, 437623), (877, 279440), (998, 245560), (1754, 139720), (1996, 122780), (2495, 98224), (3493, 70160), (3508, 69860), (3992, 61390), (4385, 55888), (4990, 49112), (6139, 39920), (6986, 35080), (7016, 34930), (7984, 30695), (8770, 27944), (9980, 24556), (12278, 19960), (13972, 17540), (14032, 17465)]