8808400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 90

約数和(自身を含む): 22700742

約数和(自身を除く): 13892342

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 61, 76, 80, 95, 100, 122, 152, 190, 200, 244, 304, 305, 361, 380, 400, 475, 488, 610, 722, 760, 950, 976, 1159, 1220, 1444, 1520, 1525, 1805, 1900, 2318, 2440, 2888, 3050, 3610, 3800, 4636, 4880, 5776, 5795, 6100, 7220, 7600, 9025, 9272, 11590, 12200, 14440, 18050, 18544, 22021, 23180, 24400, 28880, 28975, 36100, 44042, 46360, 57950, 72200, 88084, 92720, 110105, 115900, 144400, 176168, 220210, 231800, 352336, 440420, 463600, 550525, 880840, 1101050, 1761680, 2202100, 4404200, 8808400]

約数ペア:

[(1, 8808400), (2, 4404200), (4, 2202100), (5, 1761680), (8, 1101050), (10, 880840), (16, 550525), (19, 463600), (20, 440420), (25, 352336), (38, 231800), (40, 220210), (50, 176168), (61, 144400), (76, 115900), (80, 110105), (95, 92720), (100, 88084), (122, 72200), (152, 57950), (190, 46360), (200, 44042), (244, 36100), (304, 28975), (305, 28880), (361, 24400), (380, 23180), (400, 22021), (475, 18544), (488, 18050), (610, 14440), (722, 12200), (760, 11590), (950, 9272), (976, 9025), (1159, 7600), (1220, 7220), (1444, 6100), (1520, 5795), (1525, 5776), (1805, 4880), (1900, 4636), (2318, 3800), (2440, 3610), (2888, 3050)]