28996220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7753}}^1$

素因数の和:7790

約数の個数: 48

約数和(自身を含む): 70344288

約数和(自身を除く): 41348068

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 7753, 15506, 31012, 38765, 77530, 85283, 131801, 155060, 170566, 263602, 341132, 426415, 527204, 659005, 852830, 1318010, 1449811, 1705660, 2636020, 2899622, 5799244, 7249055, 14498110, 28996220]

約数ペア:

[(1, 28996220), (2, 14498110), (4, 7249055), (5, 5799244), (10, 2899622), (11, 2636020), (17, 1705660), (20, 1449811), (22, 1318010), (34, 852830), (44, 659005), (55, 527204), (68, 426415), (85, 341132), (110, 263602), (170, 170566), (187, 155060), (220, 131801), (340, 85283), (374, 77530), (748, 38765), (935, 31012), (1870, 15506), (3740, 7753)]