187485220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{55469}}^1$

素因数の和:55504

約数の個数: 36

約数和(自身を含む): 426342420

約数和(自身を除く): 238857200

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 55469, 110938, 221876, 277345, 554690, 721097, 1109380, 1442194, 2884388, 3605485, 7210970, 9374261, 14421940, 18748522, 37497044, 46871305, 93742610, 187485220]

約数ペア:

[(1, 187485220), (2, 93742610), (4, 46871305), (5, 37497044), (10, 18748522), (13, 14421940), (20, 9374261), (26, 7210970), (52, 3605485), (65, 2884388), (130, 1442194), (169, 1109380), (260, 721097), (338, 554690), (676, 277345), (845, 221876), (1690, 110938), (3380, 55469)]