172900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 72

約数和(自身を含む): 486080

約数和(自身を除く): 313180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 50, 52, 65, 70, 76, 91, 95, 100, 130, 133, 140, 175, 182, 190, 247, 260, 266, 325, 350, 364, 380, 455, 475, 494, 532, 650, 665, 700, 910, 950, 988, 1235, 1300, 1330, 1729, 1820, 1900, 2275, 2470, 2660, 3325, 3458, 4550, 4940, 6175, 6650, 6916, 8645, 9100, 12350, 13300, 17290, 24700, 34580, 43225, 86450, 172900]

約数ペア:

[(1, 172900), (2, 86450), (4, 43225), (5, 34580), (7, 24700), (10, 17290), (13, 13300), (14, 12350), (19, 9100), (20, 8645), (25, 6916), (26, 6650), (28, 6175), (35, 4940), (38, 4550), (50, 3458), (52, 3325), (65, 2660), (70, 2470), (76, 2275), (91, 1900), (95, 1820), (100, 1729), (130, 1330), (133, 1300), (140, 1235), (175, 988), (182, 950), (190, 910), (247, 700), (260, 665), (266, 650), (325, 532), (350, 494), (364, 475), (380, 455)]