178161100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7213}}^1$

素因数の和:7259

約数の個数: 72

約数和(自身を含む): 438322640

約数和(自身を除く): 260161540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 7213, 12350, 14426, 24700, 28852, 36065, 72130, 93769, 137047, 144260, 180325, 187538, 274094, 360650, 375076, 468845, 548188, 685235, 721300, 937690, 1370470, 1781611, 1875380, 2344225, 2740940, 3426175, 3563222, 4688450, 6852350, 7126444, 8908055, 9376900, 13704700, 17816110, 35632220, 44540275, 89080550, 178161100]

約数ペア:

[(1, 178161100), (2, 89080550), (4, 44540275), (5, 35632220), (10, 17816110), (13, 13704700), (19, 9376900), (20, 8908055), (25, 7126444), (26, 6852350), (38, 4688450), (50, 3563222), (52, 3426175), (65, 2740940), (76, 2344225), (95, 1875380), (100, 1781611), (130, 1370470), (190, 937690), (247, 721300), (260, 685235), (325, 548188), (380, 468845), (475, 375076), (494, 360650), (650, 274094), (950, 187538), (988, 180325), (1235, 144260), (1300, 137047), (1900, 93769), (2470, 72130), (4940, 36065), (6175, 28852), (7213, 24700), (12350, 14426)]