398474175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2365

約数の個数: 72

約数和(自身を含む): 762590080

約数和(自身を除く): 364115905

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 121, 165, 209, 275, 285, 363, 475, 605, 627, 825, 1045, 1425, 1815, 2299, 2311, 3025, 3135, 5225, 6897, 6933, 9075, 11495, 11555, 15675, 25421, 34485, 34665, 43909, 57475, 57775, 76263, 127105, 131727, 172425, 173325, 219545, 279631, 381315, 482999, 635525, 658635, 838893, 1097725, 1398155, 1448997, 1906575, 2414995, 3293175, 4194465, 5312989, 6990775, 7244985, 12074975, 15938967, 20972325, 26564945, 36224925, 79694835, 132824725, 398474175]

約数ペア:

[(1, 398474175), (3, 132824725), (5, 79694835), (11, 36224925), (15, 26564945), (19, 20972325), (25, 15938967), (33, 12074975), (55, 7244985), (57, 6990775), (75, 5312989), (95, 4194465), (121, 3293175), (165, 2414995), (209, 1906575), (275, 1448997), (285, 1398155), (363, 1097725), (475, 838893), (605, 658635), (627, 635525), (825, 482999), (1045, 381315), (1425, 279631), (1815, 219545), (2299, 173325), (2311, 172425), (3025, 131727), (3135, 127105), (5225, 76263), (6897, 57775), (6933, 57475), (9075, 43909), (11495, 34665), (11555, 34485), (15675, 25421)]