258341440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{115331}}^1$

素因数の和:115355

約数の個数: 56

約数和(自身を含む): 703063872

約数和(自身を除く): 444722432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 115331, 230662, 461324, 576655, 807317, 922648, 1153310, 1614634, 1845296, 2306620, 3229268, 3690592, 4036585, 4613240, 6458536, 7381184, 8073170, 9226480, 12917072, 16146340, 18452960, 25834144, 32292680, 36905920, 51668288, 64585360, 129170720, 258341440]

約数ペア:

[(1, 258341440), (2, 129170720), (4, 64585360), (5, 51668288), (7, 36905920), (8, 32292680), (10, 25834144), (14, 18452960), (16, 16146340), (20, 12917072), (28, 9226480), (32, 8073170), (35, 7381184), (40, 6458536), (56, 4613240), (64, 4036585), (70, 3690592), (80, 3229268), (112, 2306620), (140, 1845296), (160, 1614634), (224, 1153310), (280, 922648), (320, 807317), (448, 576655), (560, 461324), (1120, 230662), (2240, 115331)]