71238800

素因数分解:

$2^4\times 5^2\times {\mathrm{313}}^1\times {\mathrm{569}}^1$

素因数の和:900

約数の個数: 60

約数和(自身を含む): 171999780

約数和(自身を除く): 100760980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 313, 400, 569, 626, 1138, 1252, 1565, 2276, 2504, 2845, 3130, 4552, 5008, 5690, 6260, 7825, 9104, 11380, 12520, 14225, 15650, 22760, 25040, 28450, 31300, 45520, 56900, 62600, 113800, 125200, 178097, 227600, 356194, 712388, 890485, 1424776, 1780970, 2849552, 3561940, 4452425, 7123880, 8904850, 14247760, 17809700, 35619400, 71238800]

約数ペア:

[(1, 71238800), (2, 35619400), (4, 17809700), (5, 14247760), (8, 8904850), (10, 7123880), (16, 4452425), (20, 3561940), (25, 2849552), (40, 1780970), (50, 1424776), (80, 890485), (100, 712388), (200, 356194), (313, 227600), (400, 178097), (569, 125200), (626, 113800), (1138, 62600), (1252, 56900), (1565, 45520), (2276, 31300), (2504, 28450), (2845, 25040), (3130, 22760), (4552, 15650), (5008, 14225), (5690, 12520), (6260, 11380), (7825, 9104)]