69921250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 153400896

約数和(自身を除く): 83479646

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 125, 131, 175, 250, 262, 305, 350, 427, 610, 625, 655, 854, 875, 917, 1250, 1310, 1525, 1750, 1834, 2135, 3050, 3275, 4270, 4375, 4585, 6550, 7625, 7991, 8750, 9170, 10675, 15250, 15982, 16375, 21350, 22925, 32750, 38125, 39955, 45850, 53375, 55937, 76250, 79910, 81875, 106750, 111874, 114625, 163750, 199775, 229250, 266875, 279685, 399550, 533750, 559370, 573125, 998875, 1146250, 1398425, 1997750, 2796850, 4994375, 6992125, 9988750, 13984250, 34960625, 69921250]

約数ペア:

[(1, 69921250), (2, 34960625), (5, 13984250), (7, 9988750), (10, 6992125), (14, 4994375), (25, 2796850), (35, 1997750), (50, 1398425), (61, 1146250), (70, 998875), (122, 573125), (125, 559370), (131, 533750), (175, 399550), (250, 279685), (262, 266875), (305, 229250), (350, 199775), (427, 163750), (610, 114625), (625, 111874), (655, 106750), (854, 81875), (875, 79910), (917, 76250), (1250, 55937), (1310, 53375), (1525, 45850), (1750, 39955), (1834, 38125), (2135, 32750), (3050, 22925), (3275, 21350), (4270, 16375), (4375, 15982), (4585, 15250), (6550, 10675), (7625, 9170), (7991, 8750)]