947254420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{48677}}^1$

素因数の和:48832

約数の個数: 48

約数和(自身を含む): 2289813120

約数和(自身を除く): 1342558700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 48677, 97354, 194708, 243385, 340739, 486770, 681478, 973540, 1362956, 1703695, 3407390, 6766103, 6814780, 13532206, 27064412, 33830515, 47362721, 67661030, 94725442, 135322060, 189450884, 236813605, 473627210, 947254420]

約数ペア:

[(1, 947254420), (2, 473627210), (4, 236813605), (5, 189450884), (7, 135322060), (10, 94725442), (14, 67661030), (20, 47362721), (28, 33830515), (35, 27064412), (70, 13532206), (139, 6814780), (140, 6766103), (278, 3407390), (556, 1703695), (695, 1362956), (973, 973540), (1390, 681478), (1946, 486770), (2780, 340739), (3892, 243385), (4865, 194708), (9730, 97354), (19460, 48677)]