28992860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5869}}^1$

素因数の和:5910

約数の個数: 48

約数和(自身を含む): 69031200

約数和(自身を除く): 40038340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5869, 11738, 23476, 29345, 58690, 76297, 111511, 117380, 152594, 223022, 305188, 381485, 446044, 557555, 762970, 1115110, 1449643, 1525940, 2230220, 2899286, 5798572, 7248215, 14496430, 28992860]

約数ペア:

[(1, 28992860), (2, 14496430), (4, 7248215), (5, 5798572), (10, 2899286), (13, 2230220), (19, 1525940), (20, 1449643), (26, 1115110), (38, 762970), (52, 557555), (65, 446044), (76, 381485), (95, 305188), (130, 223022), (190, 152594), (247, 117380), (260, 111511), (380, 76297), (494, 58690), (988, 29345), (1235, 23476), (2470, 11738), (4940, 5869)]