1888891250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:1005

約数の個数: 80

約数和(自身を含む): 3789586944

約数和(自身を除く): 1900695694

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 103, 125, 170, 206, 250, 425, 515, 625, 850, 863, 1030, 1250, 1726, 1751, 2125, 2575, 3502, 4250, 4315, 5150, 8630, 8755, 10625, 12875, 14671, 17510, 21250, 21575, 25750, 29342, 43150, 43775, 64375, 73355, 87550, 88889, 107875, 128750, 146710, 177778, 215750, 218875, 366775, 437750, 444445, 539375, 733550, 888890, 1078750, 1094375, 1511113, 1833875, 2188750, 2222225, 3022226, 3667750, 4444450, 7555565, 9169375, 11111125, 15111130, 18338750, 22222250, 37777825, 55555625, 75555650, 111111250, 188889125, 377778250, 944445625, 1888891250]

約数ペア:

[(1, 1888891250), (2, 944445625), (5, 377778250), (10, 188889125), (17, 111111250), (25, 75555650), (34, 55555625), (50, 37777825), (85, 22222250), (103, 18338750), (125, 15111130), (170, 11111125), (206, 9169375), (250, 7555565), (425, 4444450), (515, 3667750), (625, 3022226), (850, 2222225), (863, 2188750), (1030, 1833875), (1250, 1511113), (1726, 1094375), (1751, 1078750), (2125, 888890), (2575, 733550), (3502, 539375), (4250, 444445), (4315, 437750), (5150, 366775), (8630, 218875), (8755, 215750), (10625, 177778), (12875, 146710), (14671, 128750), (17510, 107875), (21250, 88889), (21575, 87550), (25750, 73355), (29342, 64375), (43150, 43775)]