78984400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 214495200

約数和(自身を除く): 135510800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 40, 44, 50, 55, 58, 80, 88, 100, 110, 116, 145, 176, 200, 220, 232, 275, 290, 319, 400, 440, 464, 550, 580, 619, 638, 725, 880, 1100, 1160, 1238, 1276, 1450, 1595, 2200, 2320, 2476, 2552, 2900, 3095, 3190, 4400, 4952, 5104, 5800, 6190, 6380, 6809, 7975, 9904, 11600, 12380, 12760, 13618, 15475, 15950, 17951, 24760, 25520, 27236, 30950, 31900, 34045, 35902, 49520, 54472, 61900, 63800, 68090, 71804, 89755, 108944, 123800, 127600, 136180, 143608, 170225, 179510, 197461, 247600, 272360, 287216, 340450, 359020, 394922, 448775, 544720, 680900, 718040, 789844, 897550, 987305, 1361800, 1436080, 1579688, 1795100, 1974610, 2723600, 3159376, 3590200, 3949220, 4936525, 7180400, 7898440, 9873050, 15796880, 19746100, 39492200, 78984400]

約数ペア:

[(1, 78984400), (2, 39492200), (4, 19746100), (5, 15796880), (8, 9873050), (10, 7898440), (11, 7180400), (16, 4936525), (20, 3949220), (22, 3590200), (25, 3159376), (29, 2723600), (40, 1974610), (44, 1795100), (50, 1579688), (55, 1436080), (58, 1361800), (80, 987305), (88, 897550), (100, 789844), (110, 718040), (116, 680900), (145, 544720), (176, 448775), (200, 394922), (220, 359020), (232, 340450), (275, 287216), (290, 272360), (319, 247600), (400, 197461), (440, 179510), (464, 170225), (550, 143608), (580, 136180), (619, 127600), (638, 123800), (725, 108944), (880, 89755), (1100, 71804), (1160, 68090), (1238, 63800), (1276, 61900), (1450, 54472), (1595, 49520), (2200, 35902), (2320, 34045), (2476, 31900), (2552, 30950), (2900, 27236), (3095, 25520), (3190, 24760), (4400, 17951), (4952, 15950), (5104, 15475), (5800, 13618), (6190, 12760), (6380, 12380), (6809, 11600), (7975, 9904)]