28788140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 64465632

約数和(自身を除く): 35677492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 227, 340, 373, 454, 746, 908, 1135, 1492, 1865, 2270, 3730, 3859, 4540, 6341, 7460, 7718, 12682, 15436, 19295, 25364, 31705, 38590, 63410, 77180, 84671, 126820, 169342, 338684, 423355, 846710, 1439407, 1693420, 2878814, 5757628, 7197035, 14394070, 28788140]

約数ペア:

[(1, 28788140), (2, 14394070), (4, 7197035), (5, 5757628), (10, 2878814), (17, 1693420), (20, 1439407), (34, 846710), (68, 423355), (85, 338684), (170, 169342), (227, 126820), (340, 84671), (373, 77180), (454, 63410), (746, 38590), (908, 31705), (1135, 25364), (1492, 19295), (1865, 15436), (2270, 12682), (3730, 7718), (3859, 7460), (4540, 6341)]