201970000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1110

約数の個数: 100

約数和(自身を含む): 515210080

約数和(自身を除く): 313240080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 625, 760, 950, 1000, 1063, 1250, 1520, 1900, 2000, 2126, 2375, 2500, 3800, 4252, 4750, 5000, 5315, 7600, 8504, 9500, 10000, 10630, 11875, 17008, 19000, 20197, 21260, 23750, 26575, 38000, 40394, 42520, 47500, 53150, 80788, 85040, 95000, 100985, 106300, 132875, 161576, 190000, 201970, 212600, 265750, 323152, 403940, 425200, 504925, 531500, 664375, 807880, 1009850, 1063000, 1328750, 1615760, 2019700, 2126000, 2524625, 2657500, 4039400, 5049250, 5315000, 8078800, 10098500, 10630000, 12623125, 20197000, 25246250, 40394000, 50492500, 100985000, 201970000]

約数ペア:

[(1, 201970000), (2, 100985000), (4, 50492500), (5, 40394000), (8, 25246250), (10, 20197000), (16, 12623125), (19, 10630000), (20, 10098500), (25, 8078800), (38, 5315000), (40, 5049250), (50, 4039400), (76, 2657500), (80, 2524625), (95, 2126000), (100, 2019700), (125, 1615760), (152, 1328750), (190, 1063000), (200, 1009850), (250, 807880), (304, 664375), (380, 531500), (400, 504925), (475, 425200), (500, 403940), (625, 323152), (760, 265750), (950, 212600), (1000, 201970), (1063, 190000), (1250, 161576), (1520, 132875), (1900, 106300), (2000, 100985), (2126, 95000), (2375, 85040), (2500, 80788), (3800, 53150), (4252, 47500), (4750, 42520), (5000, 40394), (5315, 38000), (7600, 26575), (8504, 23750), (9500, 21260), (10000, 20197), (10630, 19000), (11875, 17008)]