31030000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 100

約数和(自身を含む): 78443640

約数和(自身を除く): 47413640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 107, 116, 125, 145, 200, 214, 232, 250, 290, 400, 428, 464, 500, 535, 580, 625, 725, 856, 1000, 1070, 1160, 1250, 1450, 1712, 2000, 2140, 2320, 2500, 2675, 2900, 3103, 3625, 4280, 5000, 5350, 5800, 6206, 7250, 8560, 10000, 10700, 11600, 12412, 13375, 14500, 15515, 18125, 21400, 24824, 26750, 29000, 31030, 36250, 42800, 49648, 53500, 58000, 62060, 66875, 72500, 77575, 107000, 124120, 133750, 145000, 155150, 214000, 248240, 267500, 290000, 310300, 387875, 535000, 620600, 775750, 1070000, 1241200, 1551500, 1939375, 3103000, 3878750, 6206000, 7757500, 15515000, 31030000]

約数ペア:

[(1, 31030000), (2, 15515000), (4, 7757500), (5, 6206000), (8, 3878750), (10, 3103000), (16, 1939375), (20, 1551500), (25, 1241200), (29, 1070000), (40, 775750), (50, 620600), (58, 535000), (80, 387875), (100, 310300), (107, 290000), (116, 267500), (125, 248240), (145, 214000), (200, 155150), (214, 145000), (232, 133750), (250, 124120), (290, 107000), (400, 77575), (428, 72500), (464, 66875), (500, 62060), (535, 58000), (580, 53500), (625, 49648), (725, 42800), (856, 36250), (1000, 31030), (1070, 29000), (1160, 26750), (1250, 24824), (1450, 21400), (1712, 18125), (2000, 15515), (2140, 14500), (2320, 13375), (2500, 12412), (2675, 11600), (2900, 10700), (3103, 10000), (3625, 8560), (4280, 7250), (5000, 6206), (5350, 5800)]