81825400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 204116400

約数和(自身を除く): 122291000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 61, 76, 95, 100, 122, 152, 190, 200, 244, 305, 353, 380, 475, 488, 610, 706, 760, 950, 1159, 1220, 1412, 1525, 1765, 1900, 2318, 2440, 2824, 3050, 3530, 3800, 4636, 5795, 6100, 6707, 7060, 8825, 9272, 11590, 12200, 13414, 14120, 17650, 21533, 23180, 26828, 28975, 33535, 35300, 43066, 46360, 53656, 57950, 67070, 70600, 86132, 107665, 115900, 134140, 167675, 172264, 215330, 231800, 268280, 335350, 409127, 430660, 538325, 670700, 818254, 861320, 1076650, 1341400, 1636508, 2045635, 2153300, 3273016, 4091270, 4306600, 8182540, 10228175, 16365080, 20456350, 40912700, 81825400]

約数ペア:

[(1, 81825400), (2, 40912700), (4, 20456350), (5, 16365080), (8, 10228175), (10, 8182540), (19, 4306600), (20, 4091270), (25, 3273016), (38, 2153300), (40, 2045635), (50, 1636508), (61, 1341400), (76, 1076650), (95, 861320), (100, 818254), (122, 670700), (152, 538325), (190, 430660), (200, 409127), (244, 335350), (305, 268280), (353, 231800), (380, 215330), (475, 172264), (488, 167675), (610, 134140), (706, 115900), (760, 107665), (950, 86132), (1159, 70600), (1220, 67070), (1412, 57950), (1525, 53656), (1765, 46360), (1900, 43066), (2318, 35300), (2440, 33535), (2824, 28975), (3050, 26828), (3530, 23180), (3800, 21533), (4636, 17650), (5795, 14120), (6100, 13414), (6707, 12200), (7060, 11590), (8825, 9272)]