320499505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 415180800

約数和(自身を除く): 94681295

約数列:

[1, 5, 19, 59, 95, 211, 271, 295, 1055, 1121, 1355, 4009, 5149, 5605, 12449, 15989, 20045, 25745, 57181, 62245, 79945, 236531, 285905, 303791, 1086439, 1182655, 1518955, 3373679, 5432195, 16868395, 64099901, 320499505]

約数ペア:

[(1, 320499505), (5, 64099901), (19, 16868395), (59, 5432195), (95, 3373679), (211, 1518955), (271, 1182655), (295, 1086439), (1055, 303791), (1121, 285905), (1355, 236531), (4009, 79945), (5149, 62245), (5605, 57181), (12449, 25745), (15989, 20045)]