28488900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 91869120

約数和(自身を除く): 63380220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 89, 97, 100, 110, 132, 150, 165, 178, 194, 220, 267, 275, 291, 300, 330, 356, 388, 445, 485, 534, 550, 582, 660, 825, 890, 970, 979, 1067, 1068, 1100, 1164, 1335, 1455, 1650, 1780, 1940, 1958, 2134, 2225, 2425, 2670, 2910, 2937, 3201, 3300, 3916, 4268, 4450, 4850, 4895, 5335, 5340, 5820, 5874, 6402, 6675, 7275, 8633, 8900, 9700, 9790, 10670, 11748, 12804, 13350, 14550, 14685, 16005, 17266, 19580, 21340, 24475, 25899, 26675, 26700, 29100, 29370, 32010, 34532, 43165, 48950, 51798, 53350, 58740, 64020, 73425, 80025, 86330, 94963, 97900, 103596, 106700, 129495, 146850, 160050, 172660, 189926, 215825, 258990, 284889, 293700, 320100, 379852, 431650, 474815, 517980, 569778, 647475, 863300, 949630, 1139556, 1294950, 1424445, 1899260, 2374075, 2589900, 2848890, 4748150, 5697780, 7122225, 9496300, 14244450, 28488900]

約数ペア:

[(1, 28488900), (2, 14244450), (3, 9496300), (4, 7122225), (5, 5697780), (6, 4748150), (10, 2848890), (11, 2589900), (12, 2374075), (15, 1899260), (20, 1424445), (22, 1294950), (25, 1139556), (30, 949630), (33, 863300), (44, 647475), (50, 569778), (55, 517980), (60, 474815), (66, 431650), (75, 379852), (89, 320100), (97, 293700), (100, 284889), (110, 258990), (132, 215825), (150, 189926), (165, 172660), (178, 160050), (194, 146850), (220, 129495), (267, 106700), (275, 103596), (291, 97900), (300, 94963), (330, 86330), (356, 80025), (388, 73425), (445, 64020), (485, 58740), (534, 53350), (550, 51798), (582, 48950), (660, 43165), (825, 34532), (890, 32010), (970, 29370), (979, 29100), (1067, 26700), (1068, 26675), (1100, 25899), (1164, 24475), (1335, 21340), (1455, 19580), (1650, 17266), (1780, 16005), (1940, 14685), (1958, 14550), (2134, 13350), (2225, 12804), (2425, 11748), (2670, 10670), (2910, 9790), (2937, 9700), (3201, 8900), (3300, 8633), (3916, 7275), (4268, 6675), (4450, 6402), (4850, 5874), (4895, 5820), (5335, 5340)]