258996850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1733}}^1$

素因数の和:1820

約数の個数: 72

約数和(自身を含む): 569899908

約数和(自身を除く): 310903058

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 245, 305, 350, 427, 490, 610, 854, 1225, 1525, 1733, 2135, 2450, 2989, 3050, 3466, 4270, 5978, 8665, 10675, 12131, 14945, 17330, 21350, 24262, 29890, 43325, 60655, 74725, 84917, 86650, 105713, 121310, 149450, 169834, 211426, 303275, 424585, 528565, 606550, 739991, 849170, 1057130, 1479982, 2122925, 2642825, 3699955, 4245850, 5179937, 5285650, 7399910, 10359874, 18499775, 25899685, 36999550, 51799370, 129498425, 258996850]

約数ペア:

[(1, 258996850), (2, 129498425), (5, 51799370), (7, 36999550), (10, 25899685), (14, 18499775), (25, 10359874), (35, 7399910), (49, 5285650), (50, 5179937), (61, 4245850), (70, 3699955), (98, 2642825), (122, 2122925), (175, 1479982), (245, 1057130), (305, 849170), (350, 739991), (427, 606550), (490, 528565), (610, 424585), (854, 303275), (1225, 211426), (1525, 169834), (1733, 149450), (2135, 121310), (2450, 105713), (2989, 86650), (3050, 84917), (3466, 74725), (4270, 60655), (5978, 43325), (8665, 29890), (10675, 24262), (12131, 21350), (14945, 17330)]