70908880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18089}}^1$

素因数の和:18116

約数の個数: 60

約数和(自身を含む): 191790180

約数和(自身を除く): 120881300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18089, 36178, 72356, 90445, 126623, 144712, 180890, 253246, 289424, 361780, 506492, 633115, 723560, 886361, 1012984, 1266230, 1447120, 1772722, 2025968, 2532460, 3545444, 4431805, 5064920, 7090888, 8863610, 10129840, 14181776, 17727220, 35454440, 70908880]

約数ペア:

[(1, 70908880), (2, 35454440), (4, 17727220), (5, 14181776), (7, 10129840), (8, 8863610), (10, 7090888), (14, 5064920), (16, 4431805), (20, 3545444), (28, 2532460), (35, 2025968), (40, 1772722), (49, 1447120), (56, 1266230), (70, 1012984), (80, 886361), (98, 723560), (112, 633115), (140, 506492), (196, 361780), (245, 289424), (280, 253246), (392, 180890), (490, 144712), (560, 126623), (784, 90445), (980, 72356), (1960, 36178), (3920, 18089)]