128342450

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 244270080

約数和(自身を除く): 115927630

約数列:

[1, 2, 5, 10, 25, 50, 89, 151, 178, 191, 302, 382, 445, 755, 890, 955, 1510, 1910, 2225, 3775, 4450, 4775, 7550, 9550, 13439, 16999, 26878, 28841, 33998, 57682, 67195, 84995, 134390, 144205, 169990, 288410, 335975, 424975, 671950, 721025, 849950, 1442050, 2566849, 5133698, 12834245, 25668490, 64171225, 128342450]

約数ペア:

[(1, 128342450), (2, 64171225), (5, 25668490), (10, 12834245), (25, 5133698), (50, 2566849), (89, 1442050), (151, 849950), (178, 721025), (191, 671950), (302, 424975), (382, 335975), (445, 288410), (755, 169990), (890, 144205), (955, 134390), (1510, 84995), (1910, 67195), (2225, 57682), (3775, 33998), (4450, 28841), (4775, 26878), (7550, 16999), (9550, 13439)]