220257200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 560455200

約数和(自身を除く): 340198000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 89, 92, 100, 115, 178, 184, 200, 230, 269, 356, 368, 400, 445, 460, 538, 575, 712, 890, 920, 1076, 1150, 1345, 1424, 1780, 1840, 2047, 2152, 2225, 2300, 2690, 3560, 4094, 4304, 4450, 4600, 5380, 6187, 6725, 7120, 8188, 8900, 9200, 10235, 10760, 12374, 13450, 16376, 17800, 20470, 21520, 23941, 24748, 26900, 30935, 32752, 35600, 40940, 47882, 49496, 51175, 53800, 61870, 81880, 95764, 98992, 102350, 107600, 119705, 123740, 154675, 163760, 191528, 204700, 239410, 247480, 309350, 383056, 409400, 478820, 494960, 550643, 598525, 618700, 818800, 957640, 1101286, 1197050, 1237400, 1915280, 2202572, 2394100, 2474800, 2753215, 4405144, 4788200, 5506430, 8810288, 9576400, 11012860, 13766075, 22025720, 27532150, 44051440, 55064300, 110128600, 220257200]

約数ペア:

[(1, 220257200), (2, 110128600), (4, 55064300), (5, 44051440), (8, 27532150), (10, 22025720), (16, 13766075), (20, 11012860), (23, 9576400), (25, 8810288), (40, 5506430), (46, 4788200), (50, 4405144), (80, 2753215), (89, 2474800), (92, 2394100), (100, 2202572), (115, 1915280), (178, 1237400), (184, 1197050), (200, 1101286), (230, 957640), (269, 818800), (356, 618700), (368, 598525), (400, 550643), (445, 494960), (460, 478820), (538, 409400), (575, 383056), (712, 309350), (890, 247480), (920, 239410), (1076, 204700), (1150, 191528), (1345, 163760), (1424, 154675), (1780, 123740), (1840, 119705), (2047, 107600), (2152, 102350), (2225, 98992), (2300, 95764), (2690, 81880), (3560, 61870), (4094, 53800), (4304, 51175), (4450, 49496), (4600, 47882), (5380, 40940), (6187, 35600), (6725, 32752), (7120, 30935), (8188, 26900), (8900, 24748), (9200, 23941), (10235, 21520), (10760, 20470), (12374, 17800), (13450, 16376)]