489301015

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 723535200

約数和(自身を除く): 234234185

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 257, 409, 665, 931, 1285, 1799, 2045, 2863, 4655, 4883, 7771, 8995, 12593, 14315, 20041, 24415, 34181, 38855, 54397, 62965, 100205, 105113, 170905, 239267, 271985, 380779, 525565, 735791, 1196335, 1903895, 1997147, 3678955, 5150537, 9985735, 13980029, 25752685, 69900145, 97860203, 489301015]

約数ペア:

[(1, 489301015), (5, 97860203), (7, 69900145), (19, 25752685), (35, 13980029), (49, 9985735), (95, 5150537), (133, 3678955), (245, 1997147), (257, 1903895), (409, 1196335), (665, 735791), (931, 525565), (1285, 380779), (1799, 271985), (2045, 239267), (2863, 170905), (4655, 105113), (4883, 100205), (7771, 62965), (8995, 54397), (12593, 38855), (14315, 34181), (20041, 24415)]