28758140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 63050400

約数和(自身を除く): 34292260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 277, 290, 358, 554, 580, 716, 895, 1108, 1385, 1790, 2770, 3580, 5191, 5540, 8033, 10382, 16066, 20764, 25955, 32132, 40165, 49583, 51910, 80330, 99166, 103820, 160660, 198332, 247915, 495830, 991660, 1437907, 2875814, 5751628, 7189535, 14379070, 28758140]

約数ペア:

[(1, 28758140), (2, 14379070), (4, 7189535), (5, 5751628), (10, 2875814), (20, 1437907), (29, 991660), (58, 495830), (116, 247915), (145, 198332), (179, 160660), (277, 103820), (290, 99166), (358, 80330), (554, 51910), (580, 49583), (716, 40165), (895, 32132), (1108, 25955), (1385, 20764), (1790, 16066), (2770, 10382), (3580, 8033), (5191, 5540)]