7903220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 18098640

約数和(自身を除く): 10195420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 269, 452, 538, 565, 1076, 1130, 1345, 1469, 2260, 2690, 2938, 3497, 5380, 5876, 6994, 7345, 13988, 14690, 17485, 29380, 30397, 34970, 60794, 69940, 121588, 151985, 303970, 395161, 607940, 790322, 1580644, 1975805, 3951610, 7903220]

約数ペア:

[(1, 7903220), (2, 3951610), (4, 1975805), (5, 1580644), (10, 790322), (13, 607940), (20, 395161), (26, 303970), (52, 151985), (65, 121588), (113, 69940), (130, 60794), (226, 34970), (260, 30397), (269, 29380), (452, 17485), (538, 14690), (565, 13988), (1076, 7345), (1130, 6994), (1345, 5876), (1469, 5380), (2260, 3497), (2690, 2938)]